underperform
🇺🇸
/ˌʌndərpərˈfɔːrm/
🇬🇧
/ˌʌndəpəˈfɔːm/
To do less well than expected or needed.
The company's profits have been underperforming for the past three quarters.
这家公司过去三个季度的利润表现不佳。