On the upgrade.

　　Step by step the ladder is ascended.

　　On the up and up.

　　eg：Business of the shop is on the upgrade.

　　中英俚语俗语来源：庄子·逍遥游：“持扶摇羊角而上者九万里。”

　　同义词：蒸蒸日上 Grow with each passing day.

　　反义词：每况愈下 Out of the flying pan into the fire.