動詞 enter:

1. to come or go into
   同義詞：come in, get into, get in, go into, go in, move into
2. become a participant; be involved in
   同義詞：participate
3. register formally as a participant or member
   同義詞：enroll, inscribe, enrol, recruit
4. be or play a part of or in
   同義詞：figure
5. make a record of; set down in permanent form
   同義詞：record, put down
6. come on stage
7. put or introduce into something
   同義詞：insert, infix, introduce
8. take on duties or office
   同義詞：accede
9. set out on (an enterprise or subject of study)
   同義詞：embark

1. Let's not enter into details at this stage.
   咱們不要在現(xiàn)階段著手處理具體問題。
2. Please do not enter before knocking on the door.
   進(jìn)來前請先敲門。

en.ter

v.（動詞）
en.tered,en.ter.ing,en.ters
v.tr.（及物動詞）
To come or go into:
進(jìn)入或穿入：
例句：
The train entered the tunnel.
火車進(jìn)入了隧道

To penetrate; pierce:
穿過；穿透：
例句：
The bullet entered the victim`s skull.
子彈穿透了受害者的頭骨

To introduce; insert:
介紹；插入：
例句：
She entered the probe into the patient`s artery.
她把探針插入了患者的動脈

To become a participant, member, or part of; join:
參加，加入：成為其中的一員或一部分；加入：
例句：
too old to enter the army; entered the discussion at a crucial moment.
年紀(jì)太大不能參軍；在關(guān)鍵時刻加入討論

To gain admission to (a school, for example).
入學(xué)：獲得進(jìn)入（如學(xué)校）的許可
To cause to become a participant, member, or part of; enroll:
使進(jìn)入，使參加：使成為一個成員或一部分；入學(xué)：
例句：
entered the children in private school; entered dahlias in a flower show.
使孩子入私立學(xué)校；使大麗花參加一個花卉展覽

To embark on; begin:
從事：開始從事；開始：
例句：
With Sputnik, the Soviet Union entered the space age.
憑借.史普尼克.人造衛(wèi)星，蘇聯(lián)進(jìn)入了太空時代

To make a beginning in; take up:
著手：開始某項(xiàng)事業(yè)；著手：
例句：
entered medicine.
行醫(yī)

To write or put in:
寫下或輸入：
例句：
We entered our names in the guest book; enters the data into the computer.
我們在來客名薄上寫下姓名；把數(shù)據(jù)輸入電腦

To place formally on record; submit:
遞呈：正式書面提出；遞呈：
例句：
enter a plea of innocence; enter a complaint.
遞呈一份無罪申訴狀；提出控訴

To go to or occupy in order to claim possession of (land).
占據(jù)：進(jìn)入、占有（土地）以宣布對其的所有權(quán)
To report (a ship or cargo) to customs.
報關(guān)：把（船或貨物）申報海關(guān)
v.intr.（不及物動詞）
To come or go in; make an entry:
進(jìn)來；進(jìn)入：
例句：
As the President entered, the band played .Hail to the Chief..
當(dāng)總統(tǒng)進(jìn)來時，樂隊(duì)開始演奏.向領(lǐng)袖歡呼.

To effect penetration.
滲透：產(chǎn)生穿透力
To become a member or participant.
參加：成為其中的一員或參與者

<常用詞組>enter into
To participate in; take an active role or interest in:
加入：參加；在其中扮演一個積極的角色或?qū)ζ溆信d趣：
例句：
enter into politics; enter into negotiations.
從政；參加談判

To become party to (a contract):
締結(jié)：成為（一項(xiàng)條約）的訂立方：
例句：
The nations entered into a new agreement.
這些國家簽署了一項(xiàng)新的協(xié)議

To become a component of; form a part of:
使納入：是…的一部分；構(gòu)成…的一部分：
例句：
Financial matters entered into the discussion.
財政問題納入討論之列

To consider; investigate:
考慮；審議：
例句：
The report entered into the effect of high interest rates on the market.
這報告討論的是市場高利率的影響

enter on 或
enter upon
To set out on; begin:
著手；開始：
例句：
We enter on a new era in our history. They entered upon the most dangerous part of the journey.
我們進(jìn)入了歷史上的新紀(jì)元。他們開始了旅行中最危險的階段

To begin considering; take up:
開始考慮；著手做：
例句：
After discussing the budget deficit, they entered on the problem of raising taxes.
討論過預(yù)算赤字之后，他們開始考慮增稅問題了

To take possession of:
占有，獲得：
例句：
She entered upon the estate of her uncle.
她獲得了她叔父的不動產(chǎn)

來源：
Middle English entren
中古英語 entren
from Old French entrer
源自 古法語 entrer
from Latin intr3re
源自 拉丁語 intr3re
from intr3 [inside] * see en
源自 intr3 [在…里面] *參見 en

【引伸】
en.terable
adj.（形容詞）