put someone out to pasture
US /pʊt ˈsʌmˌwʌn aʊt tə ˈpæstʃər/
UK /pʊt ˈsʌmˌwʌn aʊt tə ˈpæstʃər/

1.
aposentar alguém, colocar alguém de lado
to force someone to retire from their job or activity, especially due to old age or declining ability
:
•
After 30 years of service, the company decided to put him out to pasture.
Após 30 anos de serviço, a empresa decidiu aposentá-lo.
•
The coach was worried the team would try to put him out to pasture if they lost too many games.
O treinador estava preocupado que a equipe tentasse aposentá-lo se perdessem muitos jogos.