I pinched myself to stop myself from falling asleep.

我掐自己以防自己睡着。

《牛津词典》

I grabbed his arm to stop myself from falling.

我抓住他的手臂以免自己摔倒。

《牛津词典》

I grabbed his arm to stop myself from falling.

我抓住他的手臂以免自己摔倒。

《牛津词典》