我不知道該怎麼回答，便乾脆甚麼也不說。

Not knowing what answer to make, I kept silent.

Source: Tatoeba

Sentence Composition

1 我不知道 wǒbùzhīdào I don't know.
2 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
3 怎麼 zěnme
  1. how?
  2. what?
  3. why?
4 回答 huídá
  1. to reply; to answer
  2. reply; answer
=5 便 biàn
  1. plain
  2. informal
  3. suitable
  4. convenient
  5. opportune
  6. to urinate or defecate
  7. equivalent to 就 jiù: then
  8. in that case
  9. even if
  10. soon afterwards
=5 便 pián
  1. used in 便宜 piányi
  2. used in 便便 piánpián
  3. used in 便嬛 piánxuān
6 乾脆 gāncuì
  1. candid
  2. direct and to the point
  3. simply
  4. just
  5. might as well
=7 甚 shén variant of 什 shén
=7 甚 shèn
  1. excessive; undue
  2. to exceed; to be more than
  3. very; extremely
  4. (dialect) what; whatever (Taiwan pr. shén)
=8 麼 má exclamatory final particle
=8 麼 ma interrogative final particle
=8 麼 me suffix, used to form interrogative 什么 shénme, what?, indefinite 这么 zhème thus, etc
=8 麼 mó
  1. tiny
  2. insignificant
9 也不 yěbù
  1. neither
  2. nor
=10 說 shuì to persuade
=10 說 shuō
  1. to speak; to talk; to say
  2. to explain; to comment
  3. to scold; to tell off
  4. (bound form) theory; doctrine
=10 說 yuè
  1. (obsolete on its own in Standard Chinese) alternative form of 悅 /悦 (yuè, “happy; delighted”)
  2. alternative form of 悅 /悦 (yuè, “happy; delighted”)
=10 說 tuō
  1. (obsolete on its own in Standard Chinese) alternative form of 脫 /脱 (“to free; to relieve”)
  2. alternative form of 脫 /脱 (“to free; to relieve”)