ac·ci·den·tal·ly
adverb/ˌæksɪˈdentəli/
/ˌæksɪˈdentəli/
- by chance; in a way that was not planned
意外地；偶然 - As I turned around, I accidentally hit him in the face.
我转身时不经意打到他的脸。 - The damage couldn't have been caused accidentally.
这次损毁不可能是偶然因素造成的。
- As I turned around, I accidentally hit him in the face.