在线词典冰炭不言，冷热自明比喻内心的诚意不用表白，必然表现在行动上。拼音bīng tàn bù yán，lěng rè zì míng解释比喻内心的诚意不用表白，必然表现在行动上。英文释义ice or coals, whether hot or cold goes without saying (idiom); fig. sincerity is not expressed in words
