keep sb. doing sth. 使某人不停地做某事
keep sb company : 陪伴某人 | 陪伴,和某人做伴 | 陪在某人身边
keep sb down 压制
keep sb. from doing sth : 阻止某人做某事
keep sb on 继续雇佣某人
keep sb out of 不让……入内
keep doing something 意思是坚持做某事。后面还可以接keep sb. from doing sth。阻止某人受到做什么的侵害。keep sb. from sth。阻断某人和某物的联系
keep sb. doing sth.
keep on doing sth.