Definition: to make a short, sharp sound, or to use something to make this sound Level: C2
门在他身后咔哒一声关上了。
The door ___clicked shut behind him.
当我开门时，后门钥匙发出咔哒一声。
The back-door key ___clicked when I unlocked the door.
面试时他紧张地按着笔，发出咔哒声。
He ___clicked the pen nervously during the interview.
