keep on phr v 1 keep on doing sth to continue doing something, or do something many times 继续［不断］做某事: Why do you keep on going there? 你为什么老是去那里？ 2 keep on at sb about sthinformal to tell someone to do something again and again until they do it 【非正式】 不断督促某人做某事 3 [T keep sb on] to continue to employ someone 继续雇用: If he's good enough they might keep him on. 如果他表现不错，他们有可能会继续雇用他。