.1keep a low profile.保持低调 2.Keep calm 保持冷静!3.Keep it to yourself.保密 4.Keep up the good work! 继续加油! 5.Keep your mouth shut! 闭上你的嘴!6.keep away from.使远离7.keep in mind 记住 8.I'm here to keep an eye on him.我来这儿就是为了盯住他（转）