英汉词典

1. 颏;下巴
    Your chin is the part of your face that is below your mouth and above your neck.

    e.g. ...a double chin...
           双下巴
    e.g. He rubbed the gray stubble on his chin.
           他揉搓着下巴上灰白的胡茬。

2. 坦然面对，欣然接受(令人不快或困难的局面)
    If you say that someone took something on the chin, you mean that they accepted an unpleasant or difficult situation bravely and without making a lot of fuss about it.

chin的近义词

    e.g. When the police arrived he took it on the chin and apologised for the trouble he'd caused them.
           警察赶来时，他坦然为自己给他们造成的麻烦表示歉意。