Regarded as a "science genius" and "pupil teacher" by his classmates, he is always patient and kind-hearted to those who need help and is a role model and class leader.

他是同学心中的“理科天才”他是同学们喜爱的“小老师”。 他个性温和，对待同学们的提问从不厌烦，他热心善良，总能向需要帮助的同学伸出援助之手。

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When this slight disagreement was over, they were friends again and as busy as possible in their several occupations of pupil and teacher.

这场轻微的不和过去后，他们又成了朋友，并且在他们学生和老师的几项工作上忙得不可开交。

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Like teacher, like pupil.

有其师必有其徒。

《新英汉大辞典》

Education department official Katrina Godfrey said the results of the tests were not collected anywhere outside of the classroom and had been "designed to help pupil, teacher and parent work together to achieve the pupil's full potential".

BBC: Education Committee

Now the plain fact is that pupil-teacher ratios have been falling throughout this century.

FORBES: Are We Spending Too Much On Education?

But the schools they attend also tend to have the highest rates of poverty, larger pupil-teacher ratios and bigger schools.

NPR: Instruction Of Students Learning English Bleak