ㄑㄧㄤqiāngㄉㄚˇㄔㄨㄊㄡˊchūtóuㄋㄧㄠˇniǎo

枪打出头鸟
  1. 比喻出面帶頭容易成為打擊目標 事事爭先出風頭小心槍打出頭鳥」。

the shot hits the bird that pokes its head out (idiom)​, nonconformity gets punished