[] to do sth for a particular purpose or to deal with a particular situation （为某目的）做◆We have acted in the shareholders' best interests. 我们为了股东的最佳利益行事。◆The management has realized its mistake and has acted quickly to avoid disaster. 管理层已认识到错误，并且很快采取措施避免灾难。◆ The broker acted honestly and in good faith(= believing he was doing the right thing). 经纪人做事诚实，令人信服。 ●ˈact for sb/sth●ˌact on beˈhalf of sb/sth
to deal with sb's/sth's affairs for them 代理（某人或某事）◆accountants acting for a number of trusts 代理许多信托财产的会计师
() to represent sb/sth in a court 代表（某人或某事出庭）
●ˈact as sthto perform a particular function; to do a particular job, especially one that requires special skills or is very responsible 担任◆Ms Nelson will continue to act as a consultant for six other companies. 内尔森女士将继续担任另外六家公司的顾问。●ˈact on sth ( ˈact upon sth, especially formal ) to do sth as a result of advice, information, instructions, etc. that you have received 根据（建议、信息、指示等）行事◆The board failed to act on the takeover offer. 董事会未根据这收购要约采取行动。
