v.表现不佳，工作不如预期（或同行），（股票等）运作差于（一般市场价格）； 英英释义： underperform[ ,ʌndəpə'fɔ:m ]v.perform less well or with less success than expected"My stocks underperformed last year"同义词：underachieveperform too rarely"Her plays are underperformed, although they are very good"