Sit on (someone's) laurels

Translation of "sit on (someone's) laurels" into Russian

почивать на лаврах

After winning the award, she decided not to sit on her laurels and continued to work hard.

После получения награды, она решила не почивать на лаврах и продолжила усердно работать.

To become complacent or self-satisfied with past achievements and stop putting in effort to improve or accomplish more.