you could hear a pin drop1 QUIETused to emphasize how quiet a place is 〔安静得〕听得见针落地的声音 You could have heard a pin drop in there. 那里安静得连针落地的声音都可以听见。
→ unheard ofyou could hear a pin drop• After he finished telling the story you could have heard a pin drop.• It was so quiet in the hall you could hear a pin drop.• You could hear a pin drop in the auditorium during Norvell's speech.
→ you could hear a pin drop at hear(3)
2 spokenQUIET used to say that it is very quiet and no one is speaking 静得可以听到针掉下来的声音〔用于表示非常安静〕 → you could hear a pin drop at pin1(1)