優ゆう位いに立たつ

expression, godan verb (-tsu)

gain the upper hand; prevail; dominate

Used when someone or something gains a superior position in a competition, negotiation, or comparison. Often implies an active effort to get ahead.

• 交こう渉しょうでは、相あい手てより優ゆう位いに立たつことが大たい切せつだ。

  In negotiations, it's important to gain the upper hand over the other party.

• 彼かれはライバルに優ゆう位いに立たつために、新あたらしい戦せん略りゃくを考かんがえた。

  He devised a new strategy to get ahead of his rival.