knock back 1. 〈主英口〉(尤指一下子)喝下；吃掉 He knocked back four pints of ale. 他一口气喝下了4品脱啤酒。 2. 〈英俚〉打乱(计划)；使狼狈 3. 〈主英口〉使花费 How much did your new car knock you back? 你的新汽车花了多少钱? 4. 〈主英口〉使吃惊 The news knocked him back. 那消息使他吃惊。 5. 〈澳新〉妨碍，阻碍 The two sprees had knocked me back financially. 那两次的挥霍使我在经济上大为拮据。