我经常帮同学们打扫卫生。

I often helped my classmates do the cleaning.

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晚晚都款待她丈夫的那帮同事，玛丽觉得烦透了。

Mary found it very boring entertaining her husband's colleagues night after night.

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管礼明的首场官司以失败告终。那是在2009年11月，他第一次试着帮同学打官司。

Guan's first case was ultimately a failure but it got him started when in November 2009 he tried to help several classmates who'd rented an apartment that was suddenly sold without their knowledge.

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