石城汤池 shíchéngtāngchí strongly fortified city Definitions Defs Origin Strokes Stroke Words Sentences Sents 石城 shíchéng stone city a city with stone walls; a stone fortress; a town built of stone汤池 湯池 tāngchí impenetrable moat (literary) A moat filled with boiling water, used as a metaphor for an extremely strong and impenetrable defense; often used in the idiom 金城汤池 jīnchéngtāngchí
