concentrate (sth) (on sth / doing sth) to give all your attention or effort to something专注；集中（精力或努力）◆How can you concentrate on your work with so much noise going on?噪音那么大，你怎么能集中精力工作呢？◆It is important to concentrate on the road when you are driving.开车时注意路况是很重要的。◆I tried to concentrate my thoughts on the problem.我尽力将思绪集中在这个问题上。 |