We dare not leave her to sleep alone at night in case she might have an epileptic seizure anytime, and the very worry had made my wife be on tenterhooks and unable to sleep tight for years.

• 到了夜晚，我们不敢让她一个人睡，怕她发作的时候没人在旁，而这个担忧长年来使得内人提心吊胆没个好睡。