你吃飯前應該先洗手。

You should wash your hands before you eat.

Source: Tatoeba

Sentence Composition

=1 你 nǐ you (informal, as opposed to courteous 您 nín)
=1 你 nǐ you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)
2 吃飯 chīfàn
  1. to have a meal
  2. to eat
  3. to make a living
3 前 qián
  1. front
  2. forward
  3. ahead
  4. first
  5. top (followed by a number)
  6. future
  7. ago
  8. before
  9. BC (e.g. 前293年)
  10. former
  11. formerly
4 應該 yīnggāi ought to; should; must
=5 先 xiān
  1. beforehand; first; earlier
  2. at first; originally
  3. for the time being; for now
  4. (prefix) my late (in referring to deceased relatives older than oneself)
=5 先 xiǎn only used in 先馬／先马
6 洗手 xǐshǒu
  1. to wash one's hands
  2. to go to the toilet