to do about his school work
帮助他,使他学业有所进步
to do about improving working conditions
想办法改善工作条件
There's nothing we can do about it.
这件事我们无能为力了。
英汉双解词典包含483723条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。