Rest on (someone's) oars

Translation of "rest on (someone's) oars" into Russian

почивать на веслах

The company cannot afford to rest on its oars if it wants to stay competitive.

Компания не может позволить себе почивать на веслах, если хочет оставаться конкурентоспособной.

To stop making an effort or to relax after achieving some success, rather than continuing to work hard or strive for more.