[咬紧牙关 / 咬緊牙關, yǎo jǐn yá guānㄧㄠˇ ㄐㄧㄣˇ ㄧㄚˊ ㄍㄨㄢ] lit. to bite the teeth tightly (成语 saw); fig. to grit one's teeth and bear the pain; to bite the bullet#42918
[一年被蛇咬十年怕井绳 / 一年被蛇咬十年怕井繩, yī nián bèi shé yǎo shí nián pà jǐng shéngㄧ ㄋㄧㄢˊ ㄅㄟˋ ㄕㄜˊ ㄧㄠˇ ㄕˊ ㄋㄧㄢˊ ㄆㄚˋ ㄐㄧㄥˇ ㄕㄥˊ] bitten by a snake in one year, fears the well rope for ten years (成语 saw); once bitten twice shy
[咬人狗儿不露齿 / 咬人狗兒不露齒, yǎo rén gǒu r bù lù chǐㄧㄠˇ ㄖㄣˊ ㄍㄡˇ ㄦ˙ ㄅㄨˋ ㄌㄨˋ ㄔˇ] the dog that bites does not show its fangs (俗语 saying); fig. You can't tell the really dangerous enemy from his external appearance., See Also: 俗语