干 干 gān Strokes3 Radical 十 — ten, tenth How it's builtPictograph — a drawing of the thing Play the animation
活 活 huó Strokes9 Radical 氵 — water Made of 氵 water 舌 tongue How it's builtPhono-semantic — one part hints at the meaning, another at the sound Play the animation
儿 儿 ér Strokes2 Radical 儿 — son, child How it's builtPictograph — a drawing of the thing Play the animation More about the character 儿