581. Let"s take a short break for lunch． 让我们休息一会儿，去吃午饭。

580. Bob has always had a crush on Lucy． 鲍伯一直在爱着露茜。

579. It"s rude to stare at other people. 盯着别人看是不礼貌的。

578. It"s nothing to be surprised about． 这事不值得大惊小怪。

577. I"d like to-repair our differences． 我愿意消除一下我们之间的分歧。

576. I hope you enjoy your stay with us． 希望您在这儿过的愉快。

575. I don"t doubt that he will help me． 我不怀疑他会援助我。

574. I can give you a number of excuses． 我可以给你说出很多韵理由。

573. He will blame you for carelessness． 他会责备你的粗心大意。

572. He was married to a friend of mine． 他和我的一个朋友结了婚。