Dictionary / Vocabulary / 他ない
ほかない
can do nothing but ...; have no choice but to ...; there is nothing to do but ...; cannot help ...
Also written 他無い
良かれ悪しかれ、困難を乗り切るにはこうするより他ない。
For good or ill, there is no way but this to tide over the difficulty.
そうする他ないよ。
We have no choice but to do so.