嘛 (ma): modal particle indicating that sth is obvious, particle indicating a pause for emphasis

妈妈嘛嘱我要按时吃饭，注意身体健康。

mā mā má zhǔ wǒ yāo àn shí chī fàn , zhù yì shēn tī jiàn kāng .

Mom always reminds me to eat on time and take care of my health.

因为它对场地要求少，放映系统相对简单——成本低嘛，更适合大规模推广。

yīn wéi tā duì chǎng dì yāo qiú shǎo , fàng yìng xì tǒng xiāng duì jiǎn dān — — chéng běn dī ma , gēng shì gě dà guī mó tuī guǎng .

Because it has minimal venue requirements and a relatively simple projection system—which keeps costs low—it’s better suited for widespread adoption.

我们也是外行嘛，进来之后发现，网孔很小、还要保持锋利度，真的很难。

wǒ men yě shì wài háng ma , jìn lái zhī hòu fā xiàn , wǎng kǒng hěn xiǎo , hái yāo bǎo chí fēng lì dù , zhēn de hěn nán .

We're amateurs, after all, and once we got started, we realized that the mesh is very fine and it's really hard to keep it sharp.

我干嘛要用自己的日记本写？

wǒ gān ma yāo yòng zì jǐ de rì jì běn xiě ?

Why would I write in my own diary?

假就算了，吃个亏嘛，能骑就行，随时可能爆胎，实在无法忍受。

jiǎ jiù suàn le , chī gè kuī ma , néng qí jiù háng , suí shí kě néng bào tāi , shí zài wú fǎ rěn shòu .

Never mind the fake parts—it's just a minor setback. As long as it runs, that's fine, but the risk of a flat tire at any moment is just unbearable.

渐冻症会感觉异常嘛?视听触嗅觉通常保持正常的特征

jiān dòng zhèng huì gǎn jué yì cháng ma ? shì tīng chù xiù jué tōng cháng bǎo chí zhèng cháng de tè zhēng

Does ALS cause sensory abnormalities? Vision, hearing, touch, and smell typically remain normal.

什么事？干嘛一脸凶巴巴的。

Shénmeshì? gànmá yī liǎn xiōng bābā de.

What's the matter? You look very angry.

妳干嘛不穿件连衣裙呢？

Nǐ gànmá bù chuān jiàn liányīqún ne?

Why don't you wear a dress?

我干嘛在跟你叨叨这些？

Wǒ gànmá zài gēn nǐ dāodao zhèxiē?

Why am I telling you all this?

你要用这辆车干嘛？

Nǐ yào yòng zhè liàng chē gànmá?

What are you going to use this car for?