underachieving

He is always having a dig at underachieving students.

他总挖苦成绩差的学生.

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This paper discusses the approach helps to transform underachieving students.

本文论述接近学困生有助于做好转化工作.

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But today's study says white class boys are most risk of underachieving.

但今天的这份报告指出,兰领白人男孩多数容易成绩不良.

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