马后炮
mǎ hoù pào · HSK 7
giving advice in hindsight
🐴💥 马 horse + 后 after + 炮 cannon = the cannon fires after the horse already bolted: too-late advice
马 — pictograph of a horse (simplified from 馬)
马 is a pictograph that originally depicted a horse in profile, with mane, legs, and tail clearly visible in the oracle bone and bronze script forms. The traditional form 馬 still preserves four dots representing the legs. The modern simplified form 马 streamlines these strokes but retains the same meaning: horse.
后 — 厂 cliff + 一 + 口 mouth
Originally depicted a ruler or sovereign issuing commands, showing a figure with a mouth giving orders. It came to mean 'queen' or 'empress.' In modern simplified Chinese, 后 also absorbed the meaning 'behind/after' from the traditional character 後, so context decides which sense applies.
炮 — fire 火 + wrap 包 (phonetic)
A semantic-phonetic compound: 火 (fire) gives the meaning while 包 supplies the sound. Originally written 砲 with 石 (stone) for stone-hurling siege engines, it shifted to 火 once gunpowder cannons appeared. Today it means cannon or firecracker; read páo it means to roast, and bāo to quick-fry.