sell somebody down the river

成語所屬單字river

sell somebody down the river — 慣用語

1. To betray someone who trusted you, especially for personal gain.

1.慣用語
釋義

出賣某人

To betray someone who trusted you, especially for personal gain.

例句

Maya felt her partner sold her down the river during the meeting.

Did Diego really sell his best friend down the river for a promotion?