切中時病 [ㄑㄧㄝˋ ㄓㄨㄥˋ ㄕˊ ㄅㄧㄥˋ; qie4 zhong4 shi2 bing4] to hit the target where it hurts (idiom); fig. to hit home to hit the nail on the head (in an argument) ◄ ►