学 学 xué Strokes8 Radical 子 — son, child How it's builtIdeograph — the meaning is built from its parts Play the animation
费 费 fèi Strokes9 Radical 贝 — sea shell Made of 弗 not, negative 贝 sea shell How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation