leave the nest
离开安全的环境或舒适区域，开始独立生活或工作
口语·描述离家独立
英文释义
to move out of one's childhood home or original living situation and become independent
例句
After college, she left the nest and moved to New York.
典故来源
与‘leave _ nest’相同，源自鸟类离巢独立生活的比喻。