accidentally [ˌæksɪ'dentəlɪ]

以下由轻松背单词网站提供

adv.偶然地；意外地

by chance or by mistake

Mary accidentally let out that her mother had telephoned. 玛丽无意中说出她的母亲来过电话。
As I turned around, I accidentally hit him in the face. 我转身时不经意撞了他的脸。