半路出家

bàn lù chū jiā

ㄅㄢˋ ㄌㄨˋ ㄔㄨㄐㄧㄚ

Phr

1(lit.) to enter monastic life at a mature age (idiom)

2(fig.) to change one's career; to take up a new line of work or specialization; to enter a profession from a different background