1.lend an ear (to sb/sth):listen patiently and sympathetically (to sb/sth) 耐心而同情地听着（某人的话[某事物]）;[亦作lend one's ears to: 倾听,听;注意]
Lend an ear to him. It seems that he knows the whole story.仔细听他讲, 他似乎知道全部内情2CdF~fk0.T[;a。
If you would lend an ear for a couple of minutes you might learn something to your advantage.要是你愿意认真听几分钟的话，你可能会学到一些对你有用的东西p07NPK3M4Iq*pzP。
2.zero in on:give it your full attention全神贯注于（问题或主题）
The senate zero in on the Latin-American problem. 参议院集中注意拉丁美洲问题@R7|c&bx|b8*9hux。
With his usual skill, the chairman zeroed in on the most delicate subject of our meeting.主席以其惯用的技巧，把注意力集中到了会议最微妙的题目上A1|14I5L)][oH。
3.be all ears 全神贯注地听
The children were all ears when Granny told them stories. 奶奶讲故事的时候，孩子们都全神贯注地听着8eL4ryeZvp&ix4M。
4.in a cheerful mood:in high glee=in high spirits=in a good humor 很高兴；心情好
Interact with her when she's in a good mood, and give her space when she's not. 她心情好的时候，就和她交流；她心情不好的时候，要给她空间u3&q4)(8BY.s3G*0Vyc。
Keeping in a good humor is very important for your health. 保持好心情对你的健康很重要*r@iROB6R4。
5.busy oneself with:be busy doing 忙于(忙着)
The mother is busy cooking in the kitchen while the girl busies herself with her homework (is busy with her homework/is busying in doing her homework). 妈妈正在厨房忙着做饭，而女儿也在忙着做家庭作业26Ws9Mhg4=fv;Wi8xRk。
be exposed to:be fully immersed in　沉浸于；沉溺于
1)The professor is deeply exposed to (immersed in) a book, forgetting his meeting at this moment.
教授专心读着一本书，连这会儿的会议都忘记了FLjXi(fnFieHo[)。
2)Foreign experts propose that Chinese English learners should be fully exposed to the pure English environment. Only in this way can they master English.
外国专家提议，中国的英语学习者应该置身纯英语环境，只有这样他们才能学好英语C7NG2#],G07-!q。