be harmful to和be harmful for 有何区别?

be harmful for与be harmful to的区别? be harmful to 和be bad for be bad to／for be harmful to／for什么区别 be harmful to 与 be bad for 区别 do harm to等于be harmful for be harmful 后面加to 还是for 到底是be harmful to sb.还是be harmful for sb.求用法 以be harmful to 造句 英语翻译be familiar with和be familiar to的区别；do harm to和do harmful be harmful to 与do harm to的区别 be harmful to based on choose from do harm to=be harmful