get your own back

US /ɡɛt jʊər oʊn bæk/
UK /ɡɛt jʊər oʊn bæk/
"get your own back" picture
1.

trả đũa, báo thù

to take revenge on someone for something they have done to you

:
After he tricked me, I decided to get my own back by playing a prank on him.
Sau khi anh ta lừa tôi, tôi quyết định trả đũa bằng cách chơi khăm anh ta.
She was determined to get her own back on her rival.
Cô ấy quyết tâm trả đũa đối thủ của mình.