别无

• have no other (choice, alternative, etc.)

例句

1. 我觉得要加以拒绝很不是滋味，但我别无他途。
   I felt ghastly about refusing, but I had no alternative.
2. 他被当场抓住，除了招供别无出路。
   Caught in the act, he had no alternative but to confess.
3. 我们别无选择，只能做了。
   We have no alternative, but to do it.