jù
jīng
huì
shén
1
to concentrate one's attention (idiom)
在考试时要聚精会神
Concentrate during exams.
聚精会神地看着比赛。
He watched the match with full concentration.
学生们聚精会神地听讲。
Students listen attentively during the lecture.
聚精会神地做实验。
He concentrated on conducting experiments.
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