wèi
shén
me
1
why?
2
for what reason?
为什么学汉语?
Why are you studying Mandarin?
为什么这么生气?
Why are you this angry?
我不知道为什么今天餐馆不开门。
I don't know why the restaurant isn't open today.
为什么和他看电影,我是你的男朋友。
Why are you watching movies with him? I'm your boyfriend.
为什么不开心
Why are you not happy?