[] to do sth, such as a piece of work, task or duty 执行；履行；做◆She performs an important role in our organization. 她在我们的机构中发挥着重要作用。◆A computer can perform many tasks at once. 计算机可以同时执行多项任务。
[] perform well/badly/poorlyto produce a profit or loss 出现赢利／亏损◆The company has been performing badly in recent years. 这公司近年来业绩欠佳。◆Britain's best-performing fund is to get a new manager. 英国业绩最好的基金公司将新招聘一位经理人。
[] perform (well/badly/poorly)to do sth, work or function well, badly or as expected 做（或工作、运转）好／不好◆The Chinese economy has been performing well. 中国经济一直运行良好。◆Poorly performing management teams will be replaced. 业绩低下的管理团队将会被替换。◆It is supposed to be a high-growth business, but so far it has failed to perform. 那应该是一项高增长业务，但到目前为止，业绩很差。