解释
◎ 行若无事 xíngruòwúshì
[behave as if nothing had happened] 行:行动、举止。指在紧急关头上能够举止镇静,毫不慌乱。也形容对事情听之任之,无动于衷
读音：xíng ruò wú shì
近义词：泰然自若 神色不惊
反义词：坐立不安 手忙脚乱 大惊小怪
