concentrate on

集中于, 专心于

例句与用法：

It's too hot to concentrate on book.

热得不能集中心思看书。

Having failed my French exams, I decided to concentrate on science subjects.

我因法语考试不及格而决心专攻理科。

I can't concentrate on my work when I'm tired.

我累了就无法集中精力工作。

词形变化：

形容词: concentrative | 副词: concentratively | 名词: concentrator | 动词过去式: concentrated | 动词过去分词: concentrated | 动词现在分词: concentrating | 动词第三人称单数: concentrates |

详细释义：

全神贯注于

I must concentrate on my work now.

我现在必须集中精力工作。