1
Incidentally, [sentence]
用于引出新话题或补充信息。
Incidentally, I saw your brother yesterday.
顺便说一下，我昨天见到你哥哥了。
顺便说一句；事实上
先理解核心含义，再看它在真实句子里的用法。
顺便说一句；事实上
used to introduce a different topic or an additional point; by the way
Incidentally, I saw your brother yesterday.
顺便说一下，我昨天见到你哥哥了。
偶然地；附带地
In an incidental manner.
用于引入不同话题；事实上
introducing a different topic; in point of fact
次要或从属性质的
of a minor or subordinate nature
Incidentally, have you seen my keys anywhere?
顺便问一下，你看到我的钥匙了吗？
AI contextual example
The discovery was made quite incidentally while the researchers were testing another theory.
这个发现是研究人员在测试另一个理论时相当偶然地做出的。
AI contextual example
She mentioned the problem only incidentally during the meeting.
她在会议期间只是顺带提了一下这个问题。
AI contextual example
incidentally, I won't go to the party
顺便说一句,我不去参加聚会了。
WordNet
用于引出新话题或补充信息。
Incidentally, I saw your brother yesterday.
顺便说一下，我昨天见到你哥哥了。
可置于句末，表示顺便提及。
He's a doctor, incidentally.
顺便提一下，他是医生。
Not this
I incidentally deleted the file.
Use this
I accidentally deleted the file.
“Incidentally”意为“顺便提一下”，而非“意外地”。中文“偶然”可对应两者，但英语中“accidentally”表示“意外地”。
Not this
It was an incidentally discovery.
Use this
It was an incidental discovery.
“Incidentally”是副词，不能修饰名词；应用形容词“incidental”。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
顺便提到
He incidentally mentioned that he had seen the movie.
他顺便提到他看过那部电影。
偶然发现
The cure was incidentally discovered by a researcher.
这种疗法是研究人员偶然发现的。
偶然得知
I incidentally known about the meeting from a colleague.
我是从一位同事那里偶然得知这个会议的。
顺便记下
She incidentally noted the time of the incident.
她顺便记下了事件发生的时间。
偶然相关
The two events are only incidentally related.
这两个事件只是偶然相关。
偶然在场
He was incidentally present when the accident happened.
事故发生时他偶然在场。
顺便说一句，宇宙并不需要与人类的抱负完美和谐。
Carl Sagan said, 'Incidentally, the universe is not required to be in perfect harmony with human ambition,' highlighting the indifference of nature.
卡尔·萨根说：‘顺便说一句，宇宙并不需要与人类的抱负完美和谐。’强调了自然的冷漠。
顺便说一句，我是一名警察。
In the movie 'The Other Guys', Detective Allen Gamble (Will Ferrell) uses this line to casually reveal his profession.
在电影《二流警探》中，艾伦·甘布尔侦探（威尔·法瑞尔饰）用这句话随意透露自己的职业。
Use incidentally naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
incident（事件）+ ally（盟友），想象在事件中偶遇盟友，顺便提起一件事。
通常作为话语标记使用，多见于口语或非正式书面语，用于转换话题或补充说明。在正式文体中较少用，但可出现在演讲或随笔中。
用作句子副词，表示转换话题或补充说明，常置于句首或句中。
Dictionary facts from ECDICT, WIKTIONARY.