上课的时候,我们要聚精会神听老师讲课。
shàngkè de shíhòu , wǒmen yào jùjīnghuìshén tīng lǎoshī jiǎngkè 。
During class, we need to concentrate on listening to the teacher.
他为了考试,聚精会神地复习每一个知识点。
tā wèile kǎoshì , jùjīnghuìshén dì fùxí měi yígè zhīshí diǎn 。
He is concentrating on reviewing every knowledge point for the exam.
在这个安静的环境中,我可以更好地聚精会神写作。
zài zhègè ānjìng de huánjìng zhōng , wǒ kěyǐ gēnghǎo dì jùjīnghuìshén xiězuò 。
In this quiet environment, I can concentrate better on writing.