有ゆう利りになる

expression, godan verb (-ru)

gain an advantage; become advantageous; turn the tables

Describes a situation or position becoming favorable for someone, often after a change. The phrase is a set expression combining 有利 (advantageous) with になる (to become).

• 新あたらしい証しょう拠こが見みつかって、裁さい判ばんは彼かれに有ゆう利りになった。

  New evidence was found, and the trial turned in his favor.

• このルール変へん更こうは大だい企き業ぎょうに有ゆう利りになるだろう。

  This rule change will likely benefit large corporations.