keep calm

　　英 [kiːp kɑːm]   美 [kiːp kɑːm]

　　安静

　　例句

　　They believe music helps the animals to relax and keep calm.

　　他们相信是音乐帮助牛奶放松和安静。

　　Mike can keep calm in the hall.

　　在礼堂里迈克能保持安静。

　　He took a deep breath， desperately trying to keep calm.

　　他深深地吸了口气，竭尽全力保持镇定。