在线词典两面三刀比喻居心不良，当面一套，背后一套。拼音liǎng miàn sān dāo解释比喻居心不良，当面一套，背后一套。近义词表里不一、阳奉阴违、口是心非反义词忠诚老实、实事求是、表里如一英文释义two-faced, three knives (idiom); double-cross; double dealing and back stabbing
