让自己长时间聚精会神是很困难的。

It is difficult to make oneself concentrate for long periods.

他聚精会神地端详着相片。

He peered closely at the photograph.

她聚精会神地谈话。

She was engrossed in conversation.

大多数聚精会神听讲的观众都对这些观点表示赞赏。

The vast majority of the attentive audience applauded these sentiments

芬顿听得聚精会神，提问也切中要害。

Fenton was a good listener, and his questions were germane.

这场对话进行的时候，我聚精会神地听着。

While this conversation was going on, I was listening with earnest attention

工作的时候必须要做到聚精会神。

At work you need to be able to concentrate

他们聚精会神地听讲演。

They are listening to the lecture with avid attention.

所有的学生都聚精会神地听老师讲课。

All the students listened to the teacher with open eyes.

车内的女人紧抓着方向盘，聚精会神地向前看。

The woman inside the car is clutching steering wheel, absorbedly.