Underperforming
vt. （股票等）运作差于（一般市场价格）\\nvi. 表现不佳；工作不如预期（或同行）
🗣️ 情景例句
This must be a proud day for you.
今天是你值得骄傲的一天。
I can't say for certain off-hand.
我还不能马上说定。
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考试过关了，更惬意的是，他大学毕业时，所赚的钱足够他开始经营自己的行业--为游客提供导游服务。