您要查找的是不是：
- These two sounds keep on vacillating. 这两个音又游移不定。
- Keep on go till you come to a red brick building. 一直往前走直到一座红砖楼为止。
- It is difficult to keep on terms with such a man. 很难和这样的人保持友好关系。
- Keep on the alert; we're due for an inspection. 提防着点，轮到检查我们了。
- keep on vacillating; hesitant; shilly-shally; waver in determination 游移不定
- A business must stay in the black to keep on. 一个公司必须盈利才能维持。
- Keep on your toes, lads, the attack is expected at any moment. 小伙子们，要保持警觉，敌人随时可能来袭。
- I will mend the lamp just don't keep on at me about it! 我一定修这个灯－－别再跟我唠叨这件事了！
- Naturally, a business must stay in the black to keep on. 当然一个企业，必须营利才能维持。
- He comes across as someone who keeps on his words. 他看上去好像是一个说话算数的人。
- She's always trying to keep on good terms with her neighbors. 她总是设法与邻居保持友好。
- You'll soon go to pieces if you keep on working like that. 如果你继续那样工作的话,很快就会垮下来。
- You will end up in debt if you keep on spending money like that. 你要是老这样花钱,总有一天要负债。
- She always keeps on about her ailments. 她老是喋喋不休地诉说她的病痛。
- She kept on muttering to herself. 她老是一个人嘀嘀咕咕。
- keep on vacillating 游移不定
- She kept on working although she was tired. 她虽疲劳但仍继续工作。
- He's incompetent and not worth keeping on. 他庸碌无能，不值得留用。
- Columbus kept on his way until he saw land. 可哥伦布继续前行直到他看到了陆地。
- Keep on past the church; the stadium is about half a mile further on. 一直向前走过了教堂，约莫半英里就是体育场。
