They will never forget.

他们永生难忘。

youdao

If we help them they will never forget it.

如我们此刻伸出援助之手，他们永不会忘记的。

youdao

They will never forget you till somebody new comes along.

这里的人们永远都不会忘记你，直到有新的人取代了你。

youdao

These visitors say that they will never forget the beauty of the four national parks in Utah.

VOA: special.2009.04.15

The world will little note,nor long remember what we say here, but it can never forget what they did here."

VOA: special.2009.02.06

"The world will little note, nor long remember what we say here, but it can never forget what they did here.

VOA: special.2009.11.12

"The soldiers of Saddam Hussein have given them a lesson they will never forget, " he said.

CNN: Sahaf: U.S. troops will be burned

But when it comes, runaway drivers will get a zapping they will never forget.

ECONOMIST: Monitor

It will be another gold for U.S. men's basketball, a successful journey to London, failure avoided, an Olympic memory they will never forget.

WSJ: 2012 London Olympics: U.S. Basketball, Too Good to Be Viewed��Jason Gay