在线词典咬人狗儿不露齿比喻真正厉害的人在外表是不显露出来的。拼音yǎo rén gǒu ér bù lòu chǐ解释比喻真正厉害的人在外表是不显露出来的。英文释义lit. the dog that bites does not show its fangs (idiom); fig. You can't tell the really dangerous enemy from his external appearance.
