keep (sb.) away (from sth.)（使）某人离开（某物）keep sb.from doing sth.阻止某人做某事keep sth.in mind 记住（某事物）keep sb./ sth.out (of sth.) 不让.入内keep back 忍住（眼泪）,扣下,隐瞒keep in touch ...keep sb to do sth 只是简单的让某人做某事，keep相当于ask,orderkeep sb doing sth 意为让某人一直做某事，有过度地做这件事的意思