ㄌㄩˇㄒㄧㄢˇxiǎnㄖㄨˊˊ

  1. 行走平坦平安履險如夷危險平地一樣比喻艱難環境奮不顧身沉著應付特技人員高空走鋼絲神色自若履險如夷。」險象環生

lit. to make one's way through a dangerous pass as if walking on level ground (idiom)​, fig. to handle a crisis effortlessly