ほかはない

よかれあしかれ、この問(もん)題(だい)は彼(かれ)に委(まか)せるほかはない。

• For better or worse, there is nothing for it but to leave the matter in his hands.
• For better or worse, there is nothing to do but to leave the matter in his hands.

急(きゅう)な体(たい)調(ちょう)不(ふ)良(りょう)で、会(かい)議(ぎ)を欠(けっ)席(せき)するほかはないと伝(つた)えてください。

• Please convey that due to a sudden illness, there is no choice but to miss the meeting.

この提(てい)案(あん)は全(すべ)ての関(かん)係(けい)者(しゃ)の合(ごう)意(い)を得(え)ているため、承(しょう)認(にん)するほかはない。

• Since this proposal has obtained the agreement of all stakeholders, there is no choice but to approve it.

それをするより他(ほか)はない。

• I have nothing better to do.
• I don't have anything better to do.