let sb. have it 〈口〉 1. 打击某人；向某人射击；用刀刺某人 The gunman threatened to let the teller have it if he didn't obey. 武装匪徒威胁出纳员，要是不顺从就开枪打死他。 2. 谴责某人；攻击某人；批评某人 Mary kept talking in class until the teacher became angry and let her have it. 玛丽上课时老是讲话，直到老师生气把她批评了一顿。