那時我不知道該怎麼辦。

I didn't know what to do then.

Source: Tatoeba

Sentence Composition

1 那時 nàshí
  1. then
  2. at that time
  3. in those days
2 我不知道 wǒbùzhīdào I don't know.
3 該 gāi
  1. should
  2. ought to
  3. probably
  4. must be
  5. to deserve
  6. to owe
  7. to be sb's turn to do sth
  8. that
  9. the above-mentioned
4 怎麼辦 zěnmebàn what's to be done