形容詞 overnight:

1. lasting, open, or operating through the whole night
   同義詞：nightlong, all-night

副詞 overnight:

1. happening in a short time or with great speed

1. The actress won overnight fame with her first film.
   這個(gè)女演員的第一部電影使她一舉成名。
2. She won her overnight fame by her first novel.
   她的第一部小說(shuō)一問(wèn)世，便使她一舉成名。
3. His plans were transformed overnight into reality.
   他的計(jì)劃迅速變?yōu)楝F(xiàn)實(shí)。
4. She steeped the stained cloth in bleach overnight.
   她把有污跡的衣服在洗衣粉里浸了一夜。
5. All arrangements for your stay overnight on April10 will, of course, be made by us at our expense.
   當(dāng)然，所有安排您在10日晚間夜宿的費(fèi)用，皆將由本公司代您支付。
6. An overnight trip; an overnight guest.
   一整夜的旅行; 過(guò)夜的客人
7. I stayed overnight at a friend's house.
   我在朋友家過(guò)了一夜。
8. She became a celebrity overnight.
   她一下變成名人了。

o.ver.night

adj.（形容詞）
Lasting for, extending over, or remaining during a night:
一整夜的，持續(xù)一夜的：持續(xù)、延至或保持一整夜的：
例句：
an overnight trip; an overnight guest.
一整夜的旅行；過(guò)夜的客人

For use over a single night or for a short journey:
短途旅行用的：只供一次旅途的或供短途旅行用的：
例句：
overnight supplies.
只供一夜用的必要品

Mailed for guaranteed delivery on the next day:
保證隔日送到的：為保證第二天被發(fā)送而郵寄的：
例句：
an overnight package.
前一天晚上郵寄的包裹

Happening as if in a single night; sudden:
突然的：似乎在一夜之間出現(xiàn)的，突然的：
例句：
an overnight success.
突如其來(lái)的成功

adv.（副詞）

During or for the length of the night:
突然出現(xiàn)地：在夜間或夜間的某一時(shí)刻：
例句：
Let the meat marinate overnight.
將肉在腌汁里浸一整夜

In or as if in the course of one night; suddenly:
突然：在或好似在一夜間，一下子；突然：
例句：
became a sensation overnight.
突然引起轟動(dòng)

n.（名詞）
An overnight stay or trip.
一夜的逗留或旅行
v.intr.（不及物動(dòng)詞）
o.ver.night.ed,o.ver.night.ing,o.ver.nights[ô.v…r-not.]
To spend the night:
過(guò)一夜：
例句：
overnighting at a country inn.
在一家鄉(xiāng)村旅館里過(guò)了一夜