be to sb's disadvantages 能不能举个例子

be used to sb's be up to sb’s be to sb's disadvantages 能不能举个例子 be home to sb be surprised to sb? be happening to sb be dangerous to sb sb be prepared to be sth to sb be accountable to sb sb be honoured to be useful to sb还是for sb? be embarrassing to sb还是for sb? be important to sb还是for sb be rude to sb还是for sb oppose sb / be opposed to sb be kind to sb 和 to be be of value to sb 那be valuable to sb