1.keep a promise遵守诺言 2.keep a low profile保持低调 3.Keep calm保持冷静! 4.Keep it to yourself保密 5.Keep up the good work!继续加油! 6.Keep your mouth shut!闭上你的嘴! 7.keep one’s balance保持平衡 8.keep body and soul together维持生活 9.keep in mind记住,想着
