证明是

• turn up
• prove

例句

1. 我猜，它将证明是件很容易的工作。
   I imagined it would prove an easy task.
2. 这种说法证明是不正确的。
   The statement prove incorrect.
3. 那幅原来被人看作是明代作品的画，后来证明是仿制品。
   The painting that used to pass for a Ming product was later proved to be an imitation.
4. 他那悲观的预测已证明是错误的。
   His gloomy prognostications proved to be false.