[] 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。