To lose one‘s cool

英语自学网

　　To lose one‘s cool
       
        　　沉不住气
       
        　　例如：
       
        　　The challenger was winning until about the eight round,when he began to lose his cool.
       
        　　一直到第八回合，挑战者都占有优势，但是以后他沉不住气了。
       
        　　I shouldn't have gotten angry,but when he started insulting me I lost my cool.
       
        　　我本来不应该动怒，但是当他开始羞辱我的时候，我沉不住气了。