perform poorly

基本解释

Helicopters perform poorly in hot weather and at high altitude.
直升机在天气炎热和海拔较高时表现不佳。
If you fail at a test or perform poorly at an audition, you could erroneously call yourself a failure.
如果你考试失败，或者在观众面前表现糟糕，于是你错误的把自己称之为失败者。
There are different ways to hedge tail risk, but a popular one is to create a basket of derivatives that will perform poorly during normal market conditions but soar when markets plunge.
有不同的方式来对冲尾部风险，但流行的是创造一篮子的在正常市场条件下表现不佳，但在市场暴跌的时候一飞冲天的衍生品。

Very often they determine how we perform, how well or how poorly we perform.
它们经常决定我们的表现，我们表现的多好或多糟。
哈佛公开课 - 幸福课课程节选

That spells more trouble for the stockmarket, which tends to perform poorly after multiple interest-rate increases.
ECONOMIST: The return of pricing power
Plenty of evidence suggests that economies which invest little in education generally perform poorly.
ECONOMIST: A little learning
It is understandable why workers like this arrangement: They bear no risk that the investments will perform poorly.
FORBES: Here's A Radical Idea: Fiscal Responsibility