keep cool

漢語翻譯

例句：

1. John couldn't keep cool when he met his rival.
   約翰見到他的對手就不能冷靜下來。
2. Keep cool!
   保持冷靜！
3. The best thing is to keep cool.
   最好保持冷靜。
4. Even when you argue, you should try to keep cool.
   即使在爭辯時，你也要盡力保持冷靜。