眼力见儿

noun

tact; ability to act according to circumstances; quick-wittedness in social situations; ability to notice what needs to be done without being told

Chiefly used in Northern Chinese dialects (especially Beijing). Often used with 有/没(有) to describe someone who is (or isn't) perceptive of social cues and knows when to act appropriately. The term emphasizes practical social intelligence and initiative.