[Tn, Tf, Tnt, Tg] depend on (sb/sth) for success, fulfilment, etc; need 有赖於（某人[某事物]）; 需要: We require extra help. 我们需要额外的帮助. * The situation requires that I should be there. 情况需要我在那里. * The manuscript requires an expert to understand it. 这份手稿只有专家才看得懂. * All cars require servicing regularly. 所有汽车都需要定期检修. 
[esp passive 尤用於被动语态: Tn, Tn.pr, Tf, Dn.t] ~ sth (of sb) (fml 文) order or command (sth), esp from a position of authority 命令或指示（某事物）: I have done all that is required by law. 我已按照法律规定把一切做好. * It is required (of me) that I give evidence. 要求我提供证据. * Civil Servants are required to sign the Official Secrets Act. 公务员须签署遵守公务保密条例. 
[esp passive 尤用於被动语态: Tn, Tn.pr] demand (sth) as being obligatory; stipulate （强制性地）要求（某事物）; 规定: Hamlet is required reading (ie must be read) for the course. 《哈姆雷特》为本课程指定读物. * You must satisfy the required conditions to get your voucher. 必须具备所需条件方可获发凭证. * He only did what was required (of him). 他只是照章办事. 
[Tn] (fml 文) wish to have 想要: Will you require tea? 你要茶吗? * Is that all that you require, sir? 先生, 您还要别的吗?> requirement n (esp pl 尤作复数)
1 thing depended on or needed 依赖的或需要的事物: Our immediate requirement is extra staff. 我们亟需增加工作人员. * stock surplus to requirements, ie more than is needed 超过需要的存货 * Our latest model should meet your requirements exactly, ie be just what you want. 我们的最新型号包你满意.
2 thing ordered or demanded 规定的或要求的事物: Not all foreign visitors satisfy/fulfil legal entry requirements. 并非所有外宾均符合入境规定.