You didn't do badly on the exam, but I agree it did not reflect your potential.

你的考试成绩不差，但我认为这没能反映出你的潜力。

youdao

One bad test can teach you that you will do badly unless you work hard.

一次糟糕的测试能够教会你除非努力学习，否则你还会做得很差。

youdao

It seems sure to do badly in local and regional elections due next May.

这种情况似乎肯定在明年5月到期的地方和区域选举中更加严重。

youdao

He also says he will name the worst performers if they continue to do badly.

BBC: Hospitals warned over Deep Vein Thrombosis (DVT) deaths

They often, therefore, do badly at school, and consequently suffer high rates of unemployment.

ECONOMIST: Marriage and multiculturalism

Funds that do badly or implode are not usually included in the indices at all.

ECONOMIST: The success of hedge funds