从未

例句：

1. 1. I will never forget this day.
   我永远不会忘记这一天。
2. 2. She has never been to Europe before.
   她以前从未去过欧洲。
3. 3.He said he would never lie to his friends again.
   他说他再也不会对他的朋友撒谎了。