to graduate to sth
(move on to)+ new activity逐渐发展到某情况
Bruce graduated to chef at the Bear Hotel.布鲁斯逐渐升到了贝尔酒店的主厨。
He began as muscle for a loan shark. Later, he graduated to credit-card fraud.他一开始做放高利贷者的打手, 后来逐渐发展到用信用卡诈骗。
From commercials she graduated to movies.她从拍广告逐渐过渡到了拍电影。