look to your laurels

US /lʊk tu jʊər ˈlɔːrəlz/
UK /lʊk tu jʊər ˈlɔːrəlz/
"look to your laurels" picture
1.

cuidar tus laureles, no dormirse en los laureles

to be careful to maintain your position or success, as someone else is trying to achieve the same or do better

:
The new intern is very ambitious; you'd better look to your laurels.
El nuevo pasante es muy ambicioso; será mejor que cuides tus laureles.
With so many talented young players coming up, the veterans need to look to their laurels.
Con tantos jóvenes jugadores talentosos surgiendo, los veteranos necesitan cuidar sus laureles.