godan verb (-ku), transitive verb
protect to the end; hold fast; defend steadfastly
Emphasizes unwavering protection or defense until the very end, often used for abstract things like promises, principles, or loved ones.
彼は最後まで家族を守り抜いた。
He protected his family to the very end.
自分の信念を守り抜く
It is not easy to hold fast to one's convictions.