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accidentally + verb
副词放在动词前，强调动作的意外性。
She accidentally deleted the file.
她意外地删除了文件。
偶然；意外地；无意中
先理解核心含义，再看它在真实句子里的用法。
偶然；意外地；无意中
by chance; in a way that was not planned or intended
She accidentally deleted the file.
她意外地删除了文件。
以偶然的方式；偶然地,意外地。
In an accidental manner; by chance, unexpectedly.
未经事先计划地
without advance planning
无意地。
Unintentionally.
附带地；次要地
of a minor or subordinate nature
I accidentally deleted the important file while cleaning up my desktop.
我在整理桌面时意外地删除了那个重要文件。
AI contextual example
She accidentally spilled coffee on her white shirt this morning.
她今天早上不小心把咖啡洒在了白衬衫上。
AI contextual example
We accidentally took the wrong bus and ended up in a different part of the city.
我们不小心坐错了公交车，结果到了城市的另一个地方。
AI contextual example
they met accidentally
他们偶然相遇。
WordNet
副词放在动词前，强调动作的意外性。
She accidentally deleted the file.
她意外地删除了文件。
副词放在句末，侧重描述事件性质。
The mistake happened accidentally.
这个错误是偶然发生的。
被动结构中副词置于be动词和过去分词之间。
The message was accidentally sent to everyone.
消息被意外地发送给了所有人。
Not this
This is an accidentally event.
Use this
This is an accidental event.
accidentally是副词，不能修饰名词；应改用形容词accidental来修饰名词event。
Not this
He broke the window by accidentally.
Use this
He broke the window by accident.
by accident是固定短语，后面不能接副词；应直接使用by accident，或改用副词accidentally：He accidentally broke the window。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
意外掉落
I accidentally dropped my phone and cracked the screen.
我意外掉落手机，摔裂了屏幕。
误删
She accidentally deleted the important file.
她误删了重要文件。
偶然发现
He accidentally discovered a hidden treasure in the attic.
他偶然发现了阁楼里的隐藏宝藏。
故意假装意外
He accidentally on purpose spilled coffee on her shirt.
他假装意外地把咖啡洒在了她的衬衫上。
假装无意地，假称意外地
He accidentally on purpose spilled his drink on her dress.
他假装不小心把饮料洒在她的裙子上。
我意外地坠入爱河
From the song 'Accidentally in Love' by Counting Crows, featured in the movie Shrek 2.
出自Counting Crows的歌曲《Accidentally in Love》，电影《怪物史莱克2》的插曲。
我不小心看了你的日记
From the movie 10 Things I Hate About You, spoken by the character Cameron.
出自电影《十件事我讨厌你》，角色Cameron的台词。
Use accidentally naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
将“accident”（意外）加上副词后缀“ly”就是“意外地”，记住意外的事故（accident）就是accidentally。
语域：neutral 常见场景：日常对话、新闻报道、科技文献 该词通常用于中性语境，多出现在日常口语和书面叙述中，也常见于科技说明等正式场景。
Words such as 'mentally', 'incidentally', 'coincidentally', and 'fundamentally' share the same stressed vowel /ɛ/ and ending /ntəli/, making them perfect rhymes. However, lookalikes like 'fatally' (/ˈfeɪtəli/) have a different vowel sound, and 'naturally' (/ˈnætʃərəli/) has a different consonant cluster before the final -ly, so they do not rhyme.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.