1.
To concentrate emotional energy on(an object or idea).
集中精力于将精力集中于（某物或观点）
2.
I can't concentrate on any work.
不能集中精力工作。
3.
She concentrated on studying for her exams.
她集中精力准备考试。
4.
You need to be alert, with your senses sharp.
你应集中精力，全神贯注。
5.
In a speech published by China's state-run media Tuesday, Mr.
他说，中国必须首先集中精力发展经济。
6.
the quality of being intent and concentrated.
专心且集中精力于某件事情。
7.
Yes, it's very bad and I can't even concentrate.
疼，而且很严重，我甚至不能集中精力。
8.
She is too distracted to concentrate properly on her study.
她过于心烦意乱，无法集中精力学习。
9.
They keep me focused. Justify my time.
这样我才能集中精力而不会浪费时间。
10.
He needs to concentrate.Don't distract his mind from his studies.
他需要集中精力。别打搅他的学习。
11.
"If you have any desire of being rich, you must focus."
如果你有致富的愿望,你必须集中精力。
12.
When working, one should concentrate and not allow oneself to be distracted.
工作时要集中精力，不要分心。
13.
You should summon up your nerve for the task.
你要集中精力完成这项工作。
14.
I must concentrate on my work now.
我现在必须集中精力工作。
15.
gather up one's strength for a hard job
集中精力去干一项艰巨的工作
16.
The job exacts care and attention.
这项工作需要谨慎和集中精力。
17.
I began to concentrate all of my research on birds and their songs.
我开始集中精力研究鸟和鸟的歌声。
18.
We are concentrating our efforts on the turn around dribble.
我们集中精力练习策应队员转身运球。