tear down 1. 撕下，扯下；拆毁；拆卸 tear down a notice 撕下一张通知 tear down a dangerous wall (an old building) 拆毁一道危墙(一幢旧房子) tear down a machine for overhaul 拆开一部机器进行大检修 2. 诋毁；贬低 tear down sb.'s reputation 诋毁某人的名誉 build oneself up by tearing someone else down 贬低别人以抬高自己 3. 逐条驳斥(或驳倒) (论点等) We have completely torn down his argument. 我们已把他的论点驳得体无完肤。 4. 〈美口〉惩罚；严厉批评。