在线词典忠贞不渝忠:忠诚;贞:有操守;渝:改变。忠诚坚定,永不改变。拼音zhōng zhēn bù yú解释忠:忠诚;贞:有操守;渝:改变。忠诚坚定,永不改变。近义词忠贞不二、忠心耿耿、赤胆忠心反义词六亲不认、大逆不道、离经叛道英文释义unswerving in one's loyalty (idiom); faithful and constant