to gesticulate while talking (idiom); to explain by waving one's hands
指 · 9 strokes
Phonosemantic compound. 扌 represents the meaning and 旨 represents the sound.
手 · 4 strokes
Pictograph of a hand.
画 · 8 strokes
Pictograph of a hand holding a writing utensil (聿) and drawing something. The 聿 component was deleted for simplification.
脚 · 11 strokes
Phonosemantic compound. ⺼ represents the meaning and 却 represents the sound. Simplified form of 腳.
别在旁边指手画脚，你来试试。
Stop bossing everyone around; you give it a try.