get your own back (on somebody)
成語所屬單字own
get your own back (on somebody) — 慣用語
1. To do something harmful to someone because they harmed you.
1.慣用語
釋義
報復
To do something harmful to someone because they harmed you.
例句
Sara got her own back on Tom by hiding his keys.
He swore he would get his own back on the bully.