赤膽 chìdǎn sincere loyalty Origin Definitions Defs Strokes Stroke Words Sentences Sents 赤胆忠心 chìdǎnzhōngxīn utter devotion extremely loyal and wholehearted; serving someone or one's country with body and soul忠心赤胆 zhōngxīnchìdǎn wholehearted devotion (idiom) extremely loyal and devoted; faithful through and through