(): (bound form) to doubt, to suspect

() is a Chinese character meaning “(bound form) to doubt.” Classified as HSK Level 4 (HSK 3.0 Standard, CLEC 2022), with radical (bolt of cloth). It ranks #698 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, an old man walking 疋 while holding 匕 a cane 矢. Its radical form (bolt of cloth) appears in many related characters such as (shū, to dredge).

Native pronunciation
HSK 4Radical: bolt of cloth14 strokesFrequency #698

Definitions

  1. (bound form) to doubt
  2. to suspect

Etymology & Origin

ideographicAn old man walking 疋 while holding 匕 a cane 矢

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12
13
14

Practice writing with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

HSK Vocabulary with

WordPinyinMeaningHSK
怀verbhuái yíto doubt (sth)4
zhì yíto call into question6
nounyí wènquestion5
verbwú yíundoubtedly6
verb/nounyí huòto doubt6

Common Compounds

WordPinyinMeaning
háo wú yí wèncertainty
xián yí fàna suspect
yí fàna suspect
xián yí réna suspect
kě yísuspicious
xián yísuspicion
yí lǜhesitation
duō yímistrustful
yí diǎna doubtful point
yí xīnsuspicion
shēn xìn bù yíto believe firmly without any doubt (idiom)
chí yíto hesitate
cāi yíto suspect
yí yúna haze of doubts and suspicions
háo bù chí yíwithout the slightest hesitation
67
Total compounds
43
As first character
46
As last character
10
As middle character

appears in 67 compound words: 43 as the first character, 46 as the last, and 10 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Strongest Collocations

Characters that most frequently co-occur with in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

怀huái
0.66651,410 co-occurrences
xián
0.66251,032 co-occurrences
zhì
0.57953,490 co-occurrences
0.56154,234 co-occurrences
huò
0.54710,920 co-occurrences
fàn
0.51527,714 co-occurrences
hūn
0.51114 co-occurrences
xuán
0.5047,278 co-occurrences
cāi
0.4554,242 co-occurrences
0.45111 co-occurrences

Idioms & Chengyu (10)

bànxìn-bànyíHSK 4+

half-believing, half-doubting; not quite convinced

phrase
bùróngzhìyíHSK 5+

to allow or admit no doubt; to not open to doubt; to be beyond doubt; to be absolutely certain

phrase
háobùchíyíHSK 6+

without the slightest hesitation; did not hesitate (to)

phrase
háowúyíwènHSK 6+

undoubtedly; without a doubt; certainly

phrase
jiāngxìn-jiāngyíHSK 4+

to take with a pinch of salt; to be doubtful; to be not quite convinced

phrase
shēnxìnbùyíHSK 4+

to firmly believe without any doubt

phrase
wúkězhìyíHSK 5+

indubitable; unquestionable

phrase
yínán zázhèngHSK 6+

intractable diseases; obscure diseases; intractable problems

noun
yíshén-yíguǐHSK 7+

to be extremely suspicious; to be afraid of one's own shadow

phrase
yíwèn dàicíHSK 5+

interrogative pronoun

noun

Example Sentences

AI-Generated

字由14笔画组成,结构很巧妙。

yí zì yóu bǐ huà zǔ chéng , jié gòu hěn qiǎo miào .

The character "疑" consists of 14 strokes and has a remarkably ingenious structure.

Hk01.comFeb 2026

夜王—杨偲泳性感镜头遭刻意删减 公开绝密福利照凭歌寄意回应

yè wáng — yáng 偲 yǒng xìng gǎn jìng tóu yí zāo kè yì shān jiǎn gōng kāi jué mì fú lì zhào píng gē jì yì huí yīng

Night King - Yang Siyong's sexy footage is suspected of being deliberately deleted, and the public top-secret welfare photos respond with songs

NewtalkFeb 2026

男子骑车出游经南横自撞护栏 坠边坡送医不治

nán zǐ qí chē chū yóu jīng nán héng yí zì zhuàng hù lán zhuì biān pō sòng yī bù zhì

The man was riding a bicycle through South Heng and was suspected of crashing into a guardrail and falling down a slope and was taken to hospital where he died

Nownews今日新聞Feb 2026

《异能》金度勋吃Karina豆腐!被目击揉她手指 亲喊...

yì néng jīn dù xūn yí chī K a r i n a dòu fǔ ! bèi mù jī róu tā shǒu zhǐ qīn hǎn . . .

"Superpower" Kim Do-hoon suspected of eating Karina tofu! was seen rubbing her fingers and shouting...

東方日報Feb 2026

上水粉锦公路3狗被虐待 1狗尾巴几乎甩脱

shàng shuǐ fěn jǐn gōng lù 3 gǒu yí bèi nüè dài 1 gǒu wěi bā jī hū shuǎi tuō

Sheung Shui Fenjin Highway 3 dogs suspected of being abused 1 dog's tail almost fell off

百度新闻Feb 2026

回应法国质 欧委会称受邀参加“和平委员会”会议是....

huí yīng fǎ guó zhì yí ōu wěi huì chèn shòu yāo cān jiā hé píng wěi yuán huì huì yì shì . . . .

In response to France's doubts, the European Commission said it was invited to participate in the meeting of the "Peace Commission"....

Tatoeba

两个侦探跟着嫌人。

Liǎng gè zhēntàn gēnzhe xiányírén.

Two detectives followed the suspect.

Tatoeba

警方逮捕了嫌人。

Jǐngfāng dàibǔ le xiányírén.

The police arrested the suspect.

Tatoeba

汤姆怀地看着玛丽。

Tāngmǔ huáiyí de kàn zhe Mǎlì.

Tom looked at Mary suspiciously.

Tatoeba

汤姆怀玛丽是否诚实。

Tāngmǔ huáiyí Mǎlì shìfǒu chéngshí.

Tom doubts whether Mary is honest.

Character Family

Radical Family — Characters sharing the bolt of cloth radical

Related Characters

Homophones — Characters pronounced

Frequently Asked Questions

What does 疑 (yí) mean in Chinese?
疑 (yí) primarily means "(bound form) to doubt." It is classified as HSK Level 4, making it an upper-intermediate character. It ranks #698 in character frequency.
How many strokes does 疑 have?
疑 is written with 14 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 疑?
The radical associated with 疑 is 疋 (bolt of cloth). This radical appears in many characters related to bolt of cloth.
What are the components of 疑?
疑 is composed of: undefined (phonetic), undefined (phonetic). Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 疑?
Common words with 疑 include: 怀疑 (huái yí, "to doubt (sth)"); 毫无疑问 (háo wú yí wèn, "certainty"); 嫌疑犯 (xián yí fàn, "a suspect"); 疑犯 (yí fàn, "a suspect"); 嫌疑人 (xián yí rén, "a suspect"). There are over 67 compound words containing this character.
What characters sound the same as 疑 (yí)?
Several characters share the pronunciation yí: 一 (one), 衣 (clothing), 医 (medicine), 宜 (proper), and 6 more. Context and tones help distinguish between them in speech and writing.
Is 疑 the same in simplified and traditional Chinese?
Yes, 疑 is written the same way in both simplified and traditional Chinese.

Practice writing with real-time feedback

Trace stroke sequences, hear native pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.