[] the length of time within which you must do or complete sth期限;时限;限期◆We have to set a time limit for the work.我们不得不为这项工作规定期限。◆We don't want to put a time limit on the agreement.我们不想为协议规定期限。⨁to fix / set a time limit (for sth)(为某事物)规定期限⨁to impose / place / put a time limit on sth对某事物强行规定时限⨁to extend / relax a time limit延长/放宽期限⨁to go over / overrun a time limit超过时限⨁the time limit expires期限届满