mend your fences
US /mend jʊər fensɪz/
UK /mend jʊər fensɪz/

1.
仲直りする, 関係を修復する
to repair a damaged relationship or improve relations with someone, especially after a disagreement or conflict
:
•
After their big argument, he tried to mend his fences with his brother.
大喧嘩の後、彼は弟と仲直りしようとした。
•
The politician needs to mend his fences with the voters before the next election.
その政治家は次の選挙の前に有権者と関係を修復する必要がある。