该 (gāi): should

该 (gāi) is a Chinese character meaning “should.” Classified as HSK Level 3 (HSK 3.0 Standard, CLEC 2022), it is composed of 讠 (semantic) and 亥 (phonetic). It ranks #319 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 该 speech. Its radical form 讠 (speech) appears in many related characters such as 认 (rèn, to recognize, to admit), 记 (jì, to remember, to record), 识 (shí, to know, knowledge).

Spoken pronunciation

Definitions

  1. should

Etymology & Origin

该

pictophoneticspeech

Decomposition: ⿰讠亥 (layout: left-right)

Stroke Order

1
2
3
4
5
6
7
8

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

Words & Compounds

HSK Vocabulary with 该

WordPinyinMeaningHSK
应该verbyīng gāiought to3

Common Compounds

WordPinyinMeaning
该死verbgāi sǐDamn it!
活该verbhuó gāi(coll.) serve sb right
不该verbbù gāishould not
应该的phraseyīng gāi de(polite response) you're welcome
该当verbgāi dāngshould
该应gāi yīngshould
合该verbhé gāiought to
该亚gāi yàGaea, the Earth Goddess and mother of the Titans
罪该万死zuì gāi wàn sǐ(idiom) deserving the severest punishment
撒都该人nounsā dū gāi rénSadducees
亚该亚yà gāi yàAchaia
哈该书proper-nounhā gāi shūBook of Haggai
米该亚proper-nounmǐ gāi yàMicah
该博gāi bóerudite
该隐proper-noungāi yǐnCain (name)
16
Total compounds
38
As first character
25
As last character
38
As middle character

该 appears in 16 compound words: 38 as the first character, 25 as the last, and 38 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 该 in natural Chinese text, ranked by NPMI (Normalized Pointwise Mutual Information) — a statistical measure of association strength.

省shěng
0.54691,416 co-occurrences
应yīng
0.54444,739 co-occurrences
陨yǔn
0.5287,932 co-occurrences
份fèn
0.51663,752 co-occurrences
织zhī
0.46218,634 co-occurrences
党dǎng
0.45027,658 co-occurrences
坑kēng
0.4489,826 co-occurrences
为wéi
0.448121,076 co-occurrences
舰jiàn
0.44213,552 co-occurrences
项xiàng
0.44120,664 co-occurrences

Idioms & Chengyu (1)

罪该万死zuì gāi wàn sǐHSK 6+

(idiom) deserving the severest punishment; death is too good for sb

phrase

Example Sentences

AI-Generated

我们应该按时完成任务,不能拖延到最后一刻。

Wǒmen yīnggāi ànshí wánchéng rènwu, bùnéng tuōyán dào zuìhòu yí kè.

We should complete tasks on time and not delay until the last minute.

NewsFeb 2026

习近平的两会之喻丨城市管理应该像绣花一样精细

xí jìn píng de liǎng huì zhī yù 丨 chéng shì guǎn lǐ yīng gāi xiàng xiù huā yī yàng jīng xì

Xi Jinping's metaphor for the two sessions丨Urban management should be as fine as embroidery

NewsFeb 2026

服务质量参差不齐,上门喂养宠物服务该如何规范

fú wù zhì liàng cān chā bù qí , shàng mén wéi yǎng chǒng wù fú wù gāi rú hé guī fàn

The quality of service is uneven, and how to standardize door-to-door pet feeding services

NewsFeb 2026

俄罗斯1905年出生女子或成最长寿,该女子的日常习惯引发关注

é luó sī nián chū shēng nǚ zǐ huò chéng zuì cháng shòu , gāi nǚ zǐ de rì cháng xí guàn yǐn fā guān zhù

A woman born in 1905 in Russia may be the longest-lived, and her daily habits have attracted attention

NewsFeb 2026

过年替山猪尽孝 逸祥:只是做我该做的事

guò nián tì shān zhū jǐn xiào yì xiáng zhī shì zuò wǒ gāi zuò de shì

Filial piety for the wild boar during the New Year Yixiang: Just do what I have to do

NewsFeb 2026

过完年后该不该跳槽?先问自己五个“关键问题”

guò wán nián hòu gāi bù gāi tiào cáo ? xiān wèn zì jǐ wǔ gè guān jiàn wèn tí

Should You Change Jobs After the New Year? Ask Yourself These Five "Crucial Questions" First

Tatoeba

“我该做什么呢?”我自言自语道。

"Wǒ gāi zuò shénme ne?" wǒ zìyánzìyǔ dào.

"What shall I do?" I said to myself.

Tatoeba

你觉得对此该做什么?

Nǐ juéde duì cǐ gāi zuò shénme?

What do you think should be done about it?

Tatoeba

有什么事是我该做的吗?

Yǒu shénme shì shì wǒ gāi zuò de ma?

Is there anything I must do?

Tatoeba

在这种情况下,他们该做什么?

Zài zhèzhǒng qíngkuàng xià, tāmen gāi zuò shénme?

What should they do in this situation?

Character Family

Semantic Family — Characters sharing the 讠 (speech) component

Homophones — Characters pronounced gāi

Frequently Asked Questions

What does 该 (gāi) mean in Chinese?
该 (gāi) primarily means "should." It is classified as HSK Level 3, making it a beginner-level character. It ranks #319 in character frequency.
What's the difference between 该 and 孩?
该 (gāi) and 孩 (hái) are often confused. confusable. The key distinguishing feature: 讠 vs 子 (same 亥 component).
How many strokes does 该 have?
该 is written with 8 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 该?
The radical associated with 该 is 讠 (speech). This radical appears in many characters related to speech.
What are the components of 该?
该 is composed of: 讠 (semantic), 亥 (phonetic). Its IDS decomposition is ⿰讠亥 with a left-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 该?
Common words with 该 include: 应该 (yīng gāi, "ought to"); 该死 (gāi sǐ, "Damn it!"); 活该 (huó gāi, "(coll.) serve sb right"); 不该 (bù gāi, "should not"); 应该的 (yīng gāi de, "(polite response) you're welcome"). There are over 16 compound words containing this character.
What characters sound the same as 该 (gāi)?
Several characters share the pronunciation gāi: 改 (to change), 概 ((bound form) general). Context and tones help distinguish between them in speech and writing.
Is 该 the same in simplified and traditional Chinese?
No. The simplified form is 该 and the traditional form is 該.

Practice writing 该 with real-time feedback

Trace stroke sequences, hear spoken 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.