我がを出だす

expression, godan verb (-su)

insist on one's own ideas; assert oneself; push one's own way

Used when someone stubbornly insists on their own opinion or way of doing things, often in a group setting. Can carry a negative nuance of being self-centered or uncooperative.

• 会かい議ぎで彼かれは我がを出だして、自じ分ぶんの案あんだけを押おし通とおそうとした。

  At the meeting, he insisted on his own ideas and tried to push through only his own proposal.

• チームで作さ業ぎょうするときは、あまり我がを出ださないほうがいい。

  When working in a team, it's better not to assert yourself too much.