to underperform
01
to grow or yield at a rate lower than a benchmark, standard, or expectation
例子
Our portfolio underperformed compared to the S&P 500.
02
表现不佳, 未达到预期成功
to not succeed as much as intended
例子
Despite his potential, he tended to underperform during crucial games, disappointing his coaches.
尽管有潜力，他往往在关键比赛中表现不佳，令他的教练失望。
