sell out

US /sel aʊt/
UK /sel aʊt/
"sell out" picture
1.

售罄, 卖完

to sell all of something, so that there is no more left for people to buy

:
The concert tickets sold out in minutes.
音乐会门票在几分钟内就售罄了
The new phone model sold out on the first day of release.
新款手机在发布第一天就售罄了
2.

背叛, 出卖

to betray one's principles or former associates for personal gain

:
Many fans felt the band sold out when they started making commercial music.
许多粉丝觉得乐队开始创作商业音乐时就背叛了自己。
He was accused of selling out his friends for a promotion.
他被指控为了升职而出卖朋友。