海千山千

Meaning

1. adj-non
   cunning and experienced in the ways of the world; crafty and worldly-wise; sly old (fox)

Example sentences

• あいつも海千山千だから、相手と取引させてもかなり手づよいぞ。

  With all of his tricks he has mastered, he will be able to deal with any formidable client.

• あいつは海千山千だから、取り引き相手としてはかなり手強いぞ。

  All those tricks he's got up his sleeve make him a formidable client.