yòng zhōng wén wèn wèi shén me
用中文问为什么
Ask Why in Chinese
WHY + YES
nǐ wèi shén me zhè yàng zuò ?
你为什么这样做？
Why are you doing this?
nǐ wèi shén me yào tóng yì ?
你为什么要同意？
Why did you agree?
nǐ wèi shén me hái zài zhè er ?
你为什么还在这儿？
Why are you still here?
WHY + NO
wèi shén me bú shì shi ne ?
为什么不试试呢？
Why not have a try?
wǒ men wèi shén me bú yì qǐ qù ne ?
我们为什么不一起去呢？
Why don’t we go together?
wèi shén me tā méi yǒu zǔ zhǐ wǒ ?
为什么他没有阻止我？
Why didn’t he stop me?
nǐ wèi shén me bù xiū jǐ tiān jià ne ?
你为什么不休几天假呢？
Why don’t you take a few days’ leave?
nǐ wèi shén me bù mǎi liàng qì chē ne ?
你为什么不买辆汽车呢？
Why don’t you buy a car?
WHY use as a noun
bù zhī dào wèi shén me tā zuì jìn lǎo chí dào .
不知道为什么他最近老迟到。
I don’t know why he is always late recently.
tā fán shì dōu yào wèn gè wèi shén me .
他凡事都要问个为什么。
He asks why in everything.
ràng wǒ lái jiě shì wèi shén me .
让我来解释为什么。
Let me explain why.