海千山千

Meanings

1. No-adjective, Noun

   cunning and experienced in the ways of the world; crafty and worldly-wise; sly old (fox)Four-character idiom

• あいつも海千山千うみせんやませんだから、相手あいてと取引とりひきさせてもかなり手てづよいぞ。

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

• あいつは海千山千うみせんやませんだから、取とり引ひき相手あいてとしてはかなり手強てごわいぞ。

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