vt.
对…充当叛徒，背叛，叛变：
He betrayed his party and country.
他背叛了他的党和国家。
She betrayed her friends.
她背叛了朋友。
叛卖，出卖，陷害：
The party was betrayed to the government by one of its own members.
该党被其一名党员出卖给政府了。
告密，泄露(秘密、机密情报等)：
She betrayed state secrets to enemy agents.
她