wait in the wings

US /weɪt ɪn ðə wɪŋz/
UK /weɪt ɪn ðə wɪŋz/
"wait in the wings" picture
1.

esperar entre bastidores, estar a la espera

to be ready to do something or to take someone's place, especially in a play or other performance

:
The understudy is waiting in the wings, ready to perform if the main actor falls ill.
El suplente está esperando entre bastidores, listo para actuar si el actor principal enferma.
There are several talented young players waiting in the wings for a chance to join the first team.
Hay varios jóvenes jugadores talentosos esperando entre bastidores una oportunidad para unirse al primer equipo.