to oppose; to be against; to object to
反 · 4 strokes
Pictograph of a hand (又) climbing a cliff (厂). Based on original meaning "climb", now written as 扳. The meaning later shifted to "pull" and "reverse".
对 · 5 strokes
Simplified form of 對. Depicts a hand (寸) holding a farming tool (丵) to develop land (土). Based on the original meaning "develop land".