underperform /ˌʌndəpəˈfɔːm/ (also under-perform) ( underperforming, underperformed, underperforms )

• 1. 

  V-T/V-I If someone underperforms in something such as a sports contest, or if one thing underperforms another thing, they do not perform as well as they could, or they perform less well than the other thing. 表现不佳

  例：

  Our offence has underperformed all year.

  我们全年在进攻方面都表现不佳。

  例：

  Smaller companies' stocks generally have underperformed larger ones in the past several years.

  在过去的几年里，较小公司的股票在总体上表现不如较大公司的股票。

• 2. 

  underperformer N-COUNT

  例：

  The retail sector has been a significant underperformer.

  零售部是明显表现不佳的部门。