incidentally

• 副词，用于引入补充的、通常较次要的说明或话题，相当于“顺便说一句”；也可表示“偶然地”或“附带地”。

An adverb used to introduce an additional, often less important, point or remark. It can mean "by the way" or "as an aside," and also carries the meaning of "happening by chance" or "in an incidental manner."

1. By the wayB2formal

   Used to introduce a new topic or additional information that is not directly related to the main subject.

   顺便说一下

   • Incidentally, I saw your brother at the mall yesterday.
   • The meeting is at 3 PM. Incidentally, the agenda has been updated.
   • Incidentally, she mentioned that she might be late.

   同义词aproposby the wayin passingparenthetically

2. By chance or accidentC1formal

   Happening as a minor or unexpected part of something else.

   偶然地

   • The discovery was made incidentally during a routine experiment.
   • He incidentally found the missing keys under the sofa.
   • The error was incidentally introduced when the code was updated.

   同义词accidentallyby chancecoincidentallyfortuitouslyhaply

   反义词deliberatelyintentionally