歷史課上，老師解釋漢奸是出賣國家的人。
In history class, the teacher explained that a national traitor is someone who sells out the country.
Listen to pronunciation
Example sentences
你怎麼可以為了錢出賣朋友？
你怎么可以为了钱出卖朋友？
How could you betray your friend for money?
為了利益出賣朋友是卑鄙的行為。
It is a despicable act to betray friends for profit.
Usage Notes
While it basically means 'to sell', it is very commonly used in the metaphorical sense of betraying someone (selling them out).
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