ㄍㄨㄢˇguǎnㄓㄨㄥzhōngㄎㄨㄟkuīㄅㄠˋbào

  1. 比喻所見狹小全貌晉書·○·王羲之》:管中窺豹時見一班。」窺豹一斑」。坐井觀天以蠡測海見多識廣縱覽全局

lit. to see a leopard through a narrow tube (idiom)​; fig. to miss the big picture