blunder on

come upon by chancestumble upon偶然碰到;发现

They have blundered upon the trail of a gang of criminals.他们偶然发现一伙罪犯的行踪。

He blundered on the book at a secondhand bookstore last Sunday.上星期天,他无意中在一家旧书店发现了这本书。


 点击返回《英语常用短语在线词典》

 返回免费、精彩的【英语备课大师】网