忠心 zhōngxīn HSK6 loyalty Origin Definitions Defs Strokes Stroke Words Sentences Sents 忠心耿耿 zhōngxīngěnggěng loyal Loyal and devoted; faithful and true.赤胆忠心 chìdǎnzhōngxīn loyalty wholehearted loyalty; to serve someone or a cause with one's body and soul