例句：
1、You should put more effort into your work.
你应该更加努力地工作。
2、She has begun to make a concerted effort to find a job.
她开始尽全力寻找工作。
3、 I'm afraid this essay is a poor effort.
很抱歉，这篇文章写得不好。
4、He's making a big effort now, and I hope it lasts.
现在他正加紧努力，我希望他能坚持下去。