by accident
US /baɪ ˈæk.sɪ.dənt/
UK /baɪ ˈæk.sɪ.dənt/
短语
偶然, 不小心
without intention; by chance
示例:
•
I found the old photo album by accident while cleaning the attic.
我在打扫阁楼时偶然发现了旧相册。
•
He stepped on her foot by accident.
他不小心踩到了她的脚。