動詞 engage:

1. carry out or participate in an activity; be involved in
   同義詞：prosecute, engage, pursue
2. engage or engross wholly
   同義詞：absorb, engross, engage, occupy
3. engage or hire for work
   同義詞：hire, engage, employ
4. ask to represent; of legal counsel
   同義詞：engage
5. give to in marriage
   同義詞：betroth, engage, affiance, plight
6. get caught
   同義詞：engage
7. carry on (wars, battles, or campaigns)
   同義詞：engage, wage
8. hire for work or assistance
   同義詞：engage, enlist
9. engage for service under a term of contract
   同義詞：lease, rent, hire, charter, engage, take
10. keep engaged
    同義詞：engage, mesh, lock, operate

形容詞 engaged:

1. having ones attention or mind or energy engaged
   同義詞：occupied
2. involved in military hostilities
3. reserved in advance
   同義詞：booked, set-aside
4. (of facilities such as telephones or lavatories) unavailable for use by anyone else or indicating unavailability; (`engaged' is a British term for a busy telephone line)
   同義詞：busy, in use
5. (used of toothed parts or gears) interlocked and interacting
   同義詞：meshed, intermeshed
6. having services contracted for
7. built against or attached to a wall
8. pledged to be married
   同義詞：affianced, bespoken, betrothed, pledged

1. They are engaged in interior trade.
   他們從事國內貿易。
2. I engaged the clutch and the car moved forwards.
   我踩下離合器，汽車便朝前開了。
3. The professor is engaged in advanced studies.
   該教授正進行高深的學術研究。
4. Jack and Anne are engaged.
   杰克和安妮訂婚了。
5. I have engaged a room at this hotel.
   我已經在這個旅館里預訂了一個房間。

en.gaged

adj.（形容詞）
Employed, occupied, or busy.
使用的，被占用的，繁忙的
Committed, as to a cause.
投身于（一項事業(yè)）的
Pledged to marry; betrothed:
訂了婚的；已訂婚的：
例句：
an engaged couple.
一對訂婚的情侶

Involved in conflict or battle.
卷入矛盾或戰(zhàn)爭中
Being in gear; meshed.
嵌入的；有網孔的
Partly imbedded in, built into, or attached to another part, as columns on a wall.
部分嵌入的：部分嵌入或砌入或附到另一部分上的，如嵌入墻柱