признавать свою ошибку, вину In the end he had to buckle under and admit that he was wrong. We all had to buckle under to the director's orders.
BUCKLE UNDER
Англо-русский перевод BUCKLE UNDER
English-Russian Muller's dictionary 24 edition. Англо-Русский словарь Мюллера 24 редакция. 2012