相あい手て取どる

expression, godan verb (-ru), transitive verb

take on as an opponent; challenge (in court)

Used when someone confronts or opposes another party, especially in legal disputes, negotiations, or contests. Often implies a formal or adversarial stance.

• 彼かれは大おお手て企き業ぎょうを相あい手て取どって訴そ訟しょうを起おこした。

  He filed a lawsuit against a major corporation.

• 交こう渉しょうでは、相あい手て取どる企き業ぎょうの規き模ぼが大おおきいほど準じゅん備びが必ひつ要ようだ。

  In negotiations, the larger the company you're up against, the more preparation you need.