動詞 keep quiet:

1. refrain from divulging sensitive information; keep quiet about confidential information
   同義詞：shut one's mouth, keep one's mouth shut

1. Please keep quiet -- I'm trying to get some work done.
   請安靜--我要處理一些工作。
2. I've decided to resign but I'd prefer you to keep quiet about it.
   我已決定辭職，你先別聲張。
3. Do keep quiet or you'll throw me out in my calculations.
   你可得安靜點兒了，要不然我沒法計算了。
4. The doctor ordered the man who had sprained his ankle to keep quiet a few days.
   醫(yī)生命令那扭傷足踝的人靜養(yǎng)幾天。
5. Ask Tom to keep quiet.
   讓湯姆保持安靜。