看风驶船

Explanation: Refers to the act according to circumstances, play it by ear 　　Usage: -Linked; as the predicate attribute; with compliment 　　Source: Guo Chengqing "Broadsword" Chapter 17: "He secretly decided: first, to be under at the last minute, look at the wind sailing, play it by ear." Thesaurus:  See the wind the boat