一寸丹心 yīcùndānxīn loyal heart Origin Definitions Defs Strokes Stroke Words Sentences Sents 一 yī numeral one one; the number 1; single; alone寸 cùn adjective very little (bound form) Extremely short, small, or little丹心 dānxīn loyal heart a heart of loyalty and devotion; sincere patriotism