engaged

adj

• ① 1从事(于…)的,忙(于…)的<in>2着手(于…)的<on, upon>3(人)有约的<with>
  • The firm is engaged in foreign trade.该公司从事国外贸易。
  • He was engaged in cancer research.他从事于癌症的研究。
  • She was busily engaged (in) writing a report.她正忙于写报告(★V-ing 前面的 in 可省略)。
  • He's engaged on a study of Roman history.他着手罗马史的研究。
  • Are you engaged on Friday?你星期五有约吗?
  • She's engaged with a client.她与一位客户有约。

• ② 【英】(电话)在讲话中的,占线的(=【美】busy)
  • (The) number [line] is engaged.本号[线]在讲话中。

• ③ (座位、桌子等)被预订的
  • Is this seat engaged?这个座位有人订了吗?

• ④ 订了婚的
  • an engaged couple已订婚的一对
  • She's engaged to Tom.她跟汤姆订了婚。
  • They were engaged (to be married).他们订了婚约。
  • We got engaged on my twentieth birthday.我们在我二十岁生日那天订了婚。