难 难 nán Strokes10 Radical 又 — and, also, again, in addition Made of 又 and, also, again, in addition 隹 short-tailed bird How it's builtIdeograph — the meaning is built from its parts Play the animation
过 过 guò Strokes6 Radical 辶 — to walk Made of 辶 to walk 寸 inch How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation