He knocked himself out with some nunchucks that I confiscated as acting vice principal.

他玩我以代理副校长职权没收的双节棍时不小心打到了自己。

" Well, we're not sure, but we think he knocked himself out with his own bat." She sighed heavily.

“唉，我们也不太清楚，不过我们猜想，他是被自己的球棒打昏了。”

Unfortunately he touched the wires and knocked himself out.

不幸的是，他碰到了电线， 把自己撞倒了。

His head hit a table as he fell and he knocked himself out.

【knock】他摔了一跤，头撞在桌子上，昏了过去。

There was a bronze shield on the floor behind him, and he landed on it with such force that he knocked himself out.

他身后的地板上有一块青铜盾牌，他用力落在上面，把自己撞倒了。