為什麼不洗手？

Why didn't you wash your hands?

Source: Tatoeba

Sentence Composition

1 為什麼 wèishénme
  1. why?
  2. for what reason?
2 不 bù
  1. no; not so
  2. (bound form) not; un-
3 洗手 xǐshǒu
  1. to wash one's hands
  2. to go to the toilet