我不知道要按哪個按鈕。

I don't know which button to push.

Source: Tatoeba

Sentence Composition

1 我不知道 wǒbùzhīdào I don't know.
=2 要 yāo (bound form) to demand; to coerce
=2 要 yào
  1. to want; to need; to ask for
  2. will; shall; about to
  3. need to; should
  4. if (same as 要是 yàoshi)
  5. (bound form) important
=2 要 yǎo
  1. (archaic) alternative form of 偠 (yǎo)
  2. alternative form of 偠 (yǎo)
  3. used in 要褭／要袅
3 按 àn
  1. to press
  2. to push
  3. to leave aside or shelve
  4. to control
  5. to restrain
  6. to keep one's hand on
  7. to check or refer to
  8. according to
  9. in the light of
  10. (of an editor or author) to make a comment
4 哪個 nǎge
  1. which
  2. who
5 按鈕 ànniǔ
  1. to push a button
  2. button (one that can be pressed to trigger an action)