be without a rival

• 无敌； 举世无双

be without a rival的用法和样例：

例句

1. Such an army will be invincible.
   这样的军队，将是无敌于天下的。
2. They'll be unmatched in the world.
   他们就会无敌于天下。
3. Pele was in a class of his own as a footballer.
   贝利是举世无双的足球健将。
4. He is unequaled, as a jazz player.
   他是位举世无双的爵士乐演奏者。