He'd had a very royal accident, he'd broken his leg falling off a horse, and he had a terrible limp.

他出了一场只有王室贵族才会出的事故,从马上摔下来,断了一条腿,腿瘸得很厉害

耶鲁公开课 - 1871年后的法国课程节选

You could be afraid of falling off a cliff or something.

你会害怕从悬崖或其他地方摔下。

耶鲁公开课 - 心理学导论课程节选

You start off with a transition period when you're falling asleep. We call that stage I.

一开始是过渡期,你开始进入睡眠状态，这是第一阶段。

耶鲁公开课 - 心理学导论课程节选