在线词典赤胆忠心赤:比喻真纯。形容十分忠诚。拼音chì dǎn zhōng xīn解释赤:比喻真纯。形容十分忠诚。近义词忠心耿耿、披肝沥胆、耿耿此心反义词阳奉阴违、口是心非英文释义lit. red-bellied devotion (idiom); wholehearted loyalty; to serve sb with body and soul