Time passes quickly; days and months roll on; to indicate the continuous passage of time.
日征月迈，转眼间小明已经从一个稚嫩的孩童成长为一名优秀的大学生。
As days and months went by, Xiao Ming quickly grew from a naive child into an excellent university student.
Next Idiom
Time passes quickly; days and months roll on; to indicate the continuous passage of time.