The lower front parts of faces, below the mouth

• Plural of chin

脸的下前部，位于嘴巴下方

• chin 的复数形式

Talks or chats

• Does a chin-up
• Hits someone on the chin
• Holds or operates something using the chin
• Points with, or rests, the chin on something

说话或聊天

• 做引体向上
• 击打某人的下巴
• 用下巴夹持或操作某物
• 用下巴指示某物或把下巴搁在某物上