Dictionary / Vocabulary / 否が応でも
いやがおうでも
whether one likes it or not; whether willing or not; willy-nilly
Also written 嫌が応でも、嫌がおうでも、いやが応でも
否が応でも君はそれをしなくてはいけない。
You'll have to do it, whether you like it or not.
否が応でも、お前はやるしかないんだよ。
Whether you like it or not, you'll have to do it.