to become; to turn into
成 · 6 strokes
Depicts defending city walls (丁) with an axe (戌). 丁 also represents the sound. Based on the original meaning "city", now written as 城. The current meaning is a phonetic loan.
为 · 4 strokes
Simplified form of 為. Pictograph of a hand (又) guiding an elephant (象) to do work (in ancient China elephants were tamed to do work). Based on the meaning "to work; to do".