[] to begin taking part in an activity or a situation, especially to start competing in a particular kind of business开始参加；开始从事；开始进入；着手进行◆As more manufacturers enter the market, price falls sharply.随着越来越多的生产商进入市场，价格急剧下跌。◆A new company has entered the bidding for the supermarket chain.一家新公司已开始加入竞投经营那家连锁超市。 (be entered is not used) (used about people or products) to arrive in a country or region（人或产品）进入◆He has called for a ban on new GM products entering the EU.他已呼吁禁止新的转基因产品进入欧盟。◆tariffs on steel entering the US market对进入美国市场的钢铁所征收的关税to begin or reach a particular period of time in a process开始，进入（某一阶段）◆Our economy is entering a phase of recovery.我们的经济正进入复苏阶段。◆The strike is entering its seventh month.罢工正进入第七个月。 (be entered is not used) to start working in a profession or career开始，进入，从事（某行业或职业）◆What advice would you give to anyone entering the industry?你对进入这个行业的人有何建议？◆the number of young people entering the workforce加入工作大军的年轻人人数◆She entered management as a young graduate.她作为一名年轻的毕业生开始从事管理工作。enter sth (in/into/on sth)to put information into a set of accounts, a list, a computer file, etc.登账；登记；登录；输入◆Enter your username and password.输入你的用户名和密码。◆a system for entering and retrieving data输入和检索数据的系统◆I enter all my travel expenses on a spreadsheet.我将所有的旅行费用输入电子表格。➡data entry ●enter/join the ˈfrayto join in a situation in which people or companies are competing with each other for sth加入战斗；参与角逐◆Several more companies have entered the fray to win the contract.又有几家公司加入角逐，争取这份合同。●enter ˈserviceto start to be used for the first time投入使用◆The new aircraft will be ready to enter service in 2009.新飞机准备于 2009 年投入使用。➡ idiom at force noun●ˈenter into sth (with sb)to begin sth or become involved in sth, especially an official discussion or agreement开始；进入；参与◆Management has agreed to enter into discussions with the unions.管理层已经同意开始与工会讨论。