So really focus on your synonyms and keep on at it.

所以一定要专注于你的同义词，并且持续关注。

" Oh, Edmund, " said Susan. " Don't keep on at him like that."

“喂，爱德蒙。”苏珊说，“别老抓住人家不放。”

He tells himself that he had no choice, that he has to keep on at it because he needs the money.

服务生告诉自己别无选择，必须为了赚钱坚持下去。

So I try to keep it at 135 on the monitor, then there's certain items that they have me pick up.

我试着让我的心率在监测器上保持在一百三十五左右，他们还会让我去取某些物品。

If I didn’t keep on at the children, they’d never do their homework.

【keep】要不是我对孩子们反覆叮嘱，他们永远不会做家庭作业。

(Later she persuaded her husband, Gerald R., to give Martha a medal; if you kept on at a man long enough, he would agree to anything.)

（后来她说服丈夫福特为玛莎颁发了一枚勋章。如果你纠缠一个男人足够长时间，他什么事情都会同意）。