1. vt.吸引，占用　 attract; catch and hold attention
2. vt. & vi.（使）从事于，（使）忙于　 take part in; busy oneself with
3. vt.雇，聘　 hire; employ; get the right to use or occupy; reserve
4. vt.使订婚　 be bound by a promise to marry
5. vt. & vi.允诺；保证　 promise; guarantee

　～ a hall　租下大厅
　～ a room　预订房间
　～ at once　立即开始
　～ actively　积极从事
　～ busily　忙于
　～ exclusively　全力从事
　～ hotly　热情地聘请
　～ ordinarily　通常地聘请
　～ successfully　成功地聘请
　～ as　聘请为…
　～ sb as adviser　聘请某人当顾问
　～ for　应允，保证，约定
　～ for sb's good behaviour　保证某人行为端正
　～ for sb's honesty　保证某人诚实
　～ in　从事，忙于，参加
　～ in animal husbandry　从事畜牧业工作
　～ in a discussion　进行讨论
　～ in making clothes　忙于做衣服
　～ on　着手，从事
　～ oneself to　答应和某人订婚，约束（自己），担保
　～ with　忙于接待〔应付〕，和（敌人）交战
　～ with the enemy　和敌军交战
　～ with a visitor　陪客人

　He has engaged a new secretary.　他已雇了一位新秘书。
　I've engaged a room at the hotel.　我已经在旅馆里预订了一个房间。
　Bright colours engage a baby's attention.　鲜艳的颜色引起婴孩的注意。
　The spots of blood on the floor engaged the attention of the police.　地板上的血迹引起了警察的注意。
　Housework engages much of her time.　家务事占用了她很多时间。
　Can you come on Sunday?No, I'm engaged.　你星期日能来吗?不能，我已有约了。
　Please wait a minute, he is engaged just now.　请稍等一会儿，他正有事呢。
　Tom and Mary are engaged.　汤姆和玛丽订婚了。
　Her attention was engaged by the display of new hats in the shop window.　商店橱窗里展出的新式帽子吸引了她的注意力。
　He is engaged at a bank.　他受雇于一家银行。
　The typist is engaged for a week on trial.　那位打字员被试用一周。
　Can you engage that all his statements are trustworthy?　你能担保他的话都可靠吗?
　He engaged to read the book.　他答应看这本书。
　I will engage to be there on time.　我保证准时到那儿。
　The company had engaged to finish the building by May.　公司保证大楼在5月份完工。
　He engaged himself to pay back the money.　他保证还钱。
　She engaged herself to attend the meeting.　她答应一定去参加会议。
　He was engaged to be married to her.　他跟她订过婚。
　He engaged Mary as a secretary.　他聘玛丽当秘书。
　Our department has engaged a foreign teacher as phonetic adviser.　我们系已经聘请了一位外籍老师作为语音顾问。
　The old man was engaged as a guide.　那位老人被雇用为向导。

 ♣ engage for　(v.+prep.)
　允诺；保证　promise; guarantee
　I will engage for his behaviour should you decide to employ him.　如果你能决定雇用他，那么我可以担保他的行为。
　I can engage for his honesty.　我保证他为人诚实。
 ♣ engage in　(v.+prep.)
　参加；从事；忙于　make sb join with one in sth; busy oneself with
　I have no time to engage in the debate.　我没时间参加辩论。
　He engaged in a serious study of the problem.　他对这个问题进行了认真的研究。
　My family has been engaged in farming for generations.　我家几代都从事农业。
 ♣ engage to　(v.+prep.)
　订婚　be promised in marriage to sb
　He was engaged to my sister.　他和我妹妹订婚了。
　I am engaged to Mr. Worthing, mama.　妈妈，我与沃森先生订婚了。
 ♣ engage with　(v.+prep.)
　交战　attack each other
　Our ships have engaged with the enemy.　我们的舰船已与敌人交战。

 ♣ engage, hire
　参见hire条。
 ♣ engage, contract, covenant, pledge, promise
　参见promise条。

　I'm engaged.　可以理解为“我订婚了”，也可以理解为“我有事”，须根据上下文来确定。