To exchange goods for money; to be for sale; opposite of 买 mǎi

To betray someone or something for personal gain; to sell out.

To earn a living by means of one's labor or skill (e.g. street performing or singing)

To flaunt one's abilities or assets; to parade or show off.

To spare no effort; to exert one's strength or life to the utmost.

(Of food in a restaurant) a serving; a portion; an order

A Chinese surname