knock sb out
(a) (in boxing) strike (an opponent) so that he cannot rise or continue in a specified time and so loses the fight (拳擊)擊倒(對手)(獲勝).
(b) make sb unconscious by means of a blow, alcoholic drink, etc 擊昏或灌醉某人
Don't drink too much of this it'll knock you out! 這種酒別喝太多--喝多了就醉了!
(c) (infml 口) overwhelm or astonish sb 使某人經受不了或極為震驚
The film just knocked me out it's the best thing I've ever seen. 這電影好得不得了--是我看過的最好的一部. knock sb/oneself out make sb/oneself exhausted, ill, etc 使某人[自己]筋疲力盡、 病倒等
She's knocking herself out with all that work. 她做的工作把她累得筋疲力盡. knock sb out (of sth) eliminate sb (from a competition) by defeating him 淘汰某人
France knocked Belgium out (of the European Cup). 法國隊將比利時隊淘汰(出歐洲杯足球賽)了. knock sth out (on sth) empty (a tobacco pipe) by knocking it (against sth) 倒凈(煙斗).