keep watch at night值宿守卫
Keep Close At Home闭门不出
keep inflation at bay控制通货膨胀
Keep up at继续
keep them at bay拖延他们
keep tears at bay不让眼泪流下来
keep on at纠缠;使某人烦恼;困扰某人;纠缠不休
keep sb at sth使某人继续做某事;他写作时手边总备有一本词典
V（动词） to persevere with or persist in 坚忍; 坚持