缄默

例句：

1. 1. The room was so silent that I could hear my own breathing.
   房间如此安静以至于我都能听见自己的呼吸声。
2. 2. He sat in silence for a long time before speaking again.
   他沉默了很长时间才再次开口说话。
3. 3. She remained silent during the meeting, not daring to speak up.
   会议期间她保持沉默，不敢发言。