butter wouldn't melt in one's mouth|butter|melt|mo イディオム
butter wouldn't melt in one's mouth|butter|melt|mo
informal You act very polite and friendly but do not really care, you are very nice to people but are not sincere. The new secretary was rude to the other workers, but when she talked to the boss, butter wouldn't melt in her mouth.butter wouldn't cook in one's mouth|butter|melt|mo
informal You act actual affable and affable but do not absolutely care, you are actual nice to bodies but are not sincere. The new secretary was abrupt to the added workers, but back she talked to the boss, adulate wouldn't cook in her mouth. Dictionary