put someone out to pasture
讓（某人）退休；讓（某人）離職
口語·表達強制退休
英文釋義
to retire someone or remove them from their position of authority or responsibility due to age or incompetence
例句
After 40 years, they put the old manager out to pasture.
典故來源
源自農業實踐，老馬不再干活被放牧，比喻因年老或無能而退休。