高歌猛进

• 高(tall; high; tower; tall building)ASSOCIATIVE

A tall tower reaching high is drawn with a roof, gate, and stacked foundation layers piled on top of each other.

• 哥(older brother)PHONETIC
• 欠(yawn; open mouth)RADICAL

Open your mouth to call out a voice, that is singing.

• 犭(dog (animal radical))RADICAL
• 孟(vigorous; leading)PHONO-SEMANTIC

A ferocious beast leading the pack is the most savage creature.

• 辶(step; move)RADICAL
• 井(well; water well)PHONETIC

To advance forward like taking quick steps toward a well to get water.