[] to become better than before; to make sth/sb better than before改进；改善；提高◆Market conditions have improved considerably.市场情况有很大的改善。◆The shares improved 5¢ to 542¢.股票上升了 5 分到 542 分。◆We aim to improve efficiency at all our plants.我们旨在改善我们所有工厂的效率。◆I need to improve my French.我需要改善我的法语水准。◆an improved quality of service改进服务品质⨁sb/sth begins / continues / fails / starts to improve（某人或某事）开始／继续／没有／开始改善⨁to aim / attempt / try / work to improve sth旨在／试图／设法／努力改进某事⨁to improve (sth) considerably / greatly / dramatically / significantly大幅度／大大／巨大／明显地改进⨁to improve (sth) continuously / slightly / slowly / steadily不断／稍微／慢慢／稳步地改进（某事）●imˈprove on/upon sthto achieve or produce sth that is of a better quality than sth else改进；做出比…更好的成绩◆We've certainly improved on last year's figures.我们的业绩毫无疑问超过了去年的数字。