AE 1128 - Expression: Knock Yourself Out
Aussie English
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Do You Know How to Use Phrasel Verbs in English?
If you get knocked out, your consciousness has gone out. You've been knocked out. It's a synonym for go for it. Ant inviting people to do something, knock yourself out. Don't forget, guys, if you are trying to master your use of phrasel verbs in english, go to ozi enguish dot com dotau forad slash phrasel verbs. Knock yourself out is an old expression alluding to knocking oneself unconscious with extreme effort. So that would be the idea of saying, i knocked myself out working so hard,. To day, in the mid 19 hundreds, a new usage surface, knock himself out, meaning enjoy yourself, have fun, or an invitation
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