1
stay overnight
We can stay overnight at a hotel.
我们可以在酒店过夜。
在夜间；整夜；隔夜
先理解核心含义，再看它在真实句子里的用法。
在夜间；整夜；隔夜
during the night or for the length of one night
We can stay overnight at a hotel.
我们可以在酒店过夜。
在夜间；彻夜,尤指昨晚。
During or throughout the night, especially during the evening or night just past.
在很短(但未指明)的时间内。
In a very short (but unspecified) amount of time.
一夜之间
during or for the length of one night
迅速发生的
happening in a short time or with great speed
The celebrity became famous overnight after the viral video.
那位名人因病毒式视频一夜成名。
AI contextual example
We stayed overnight at a friend's house instead of driving back in the dark.
我们在朋友家过夜，而不是在黑夜里开车回去。
AI contextual example
The paint dries overnight, so you can apply a second coat in the morning.
油漆一夜之间就干了，所以早上可以涂第二层。
AI contextual example
the fish marinates overnight
鱼腌制了一整夜。
WordNet
We can stay overnight at a hotel.
我们可以在酒店过夜。
表示变化非常迅速。
The situation changed overnight.
情况一夜之间发生了变化。
He became famous overnight.
他一夜之间成名了。
Not this
He finished the work in overnight.
Use this
He finished the work overnight.
副词 'overnight' 本身已包含 'in the night' 的含义，无需再加介词 'in'。直接使用 'overnight' 即可表示 '在夜间；一夜之间'。
Not this
He stayed over night at a hotel.
Use this
He stayed overnight at a hotel.
'overnight' 是一个标准副词，应连写，而不是拆分为 'over night'。
Choose the next layer that will help you use overnight with more confidence.
Includes Synonyms & Antonyms
Expand your vocabulary with synonyms and antonyms.
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
过夜，留宿
We stayed overnight at a small hotel near the airport.
我们在机场附近的一家小旅馆过了一夜。
通宵工作
The team had to work overnight to finish the project.
团队不得不通宵工作以完成项目。
一夜之间改变；骤然改变
Public opinion can change overnight in the age of social media.
在社交媒体时代，舆论可能在一夜之间改变。
一夜成名
She became famous overnight after her video went viral.
她的视频走红后，她一夜成名。
隔夜发货；次日送到
We can ship the order overnight for an extra fee.
加收费用的话，我们可以隔夜发货。
一夜成名；突然成功
She became an overnight success after her song went viral.
她的歌走红后，她一夜间成了名人。
一夜暴富者
He was an overnight millionaire after winning the lottery.
中了彩票后，他一夜之间成了百万富翁。
一夜之间改变；突然改变
Public opinion can change overnight.
舆论可能在一夜之间发生变化。
当它绝对、必须隔夜送达时。
The FedEx slogan promised that packages could be delivered overnight, and the phrase became a widely recognized part of American culture.
联邦快递的这句口号承诺包裹可以隔夜送达，这句话也成为了美国文化中广为人知的一部分。
发长 /aɪ/ 音 (如 high, light)
Same pattern, same sound
Use overnight naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把over（越过）和night（夜）连起来：太阳越过一整夜，第二天就“突然”变样了，记住overnight=隔夜/一夜之间。
语域：neutral 常见场景：住宿与旅行安排、新闻与商业报道 overnight 作副词时有两条常见但含义不同的用法：“在夜间/整夜”多用于住宿、旅行或时间安排；“突然、一下子”多用于新闻、商业等谈论快速变化的场合。两者在正式和日常语境中都比较常见，语气上通常保持中性。
常用于句末或句首修饰整个句子。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.