The scene will remain forever engraved on my memory.

那情景将永远铭刻在我的记忆中。

《新英汉大辞典》

Let it remain forever, gloriously, in my teenage years.

还是让它永远辉煌地，珍藏在那里，珍藏在我的孩童岁月里。

youdao

I have always been, and will remain forever a friend of your great country.

我一直而且会永远是这个伟大国家的朋友。

youdao

The speaker describes how the person he loves will remain forever young and beautiful in the lines of this poem.

VOA: special.2010.01.06

Clearly, this is something that he wants to believe or that he needs to believe, but there does seem to be evidence that at least at this early point in Milton's life he's intending to remain sexually abstinent forever.

很显然，这些都是他想去相信的,或者他需要相信的，但好像有证据证明至少有一点很清楚,弥尔顿一生都想做一个禁欲者。

耶鲁公开课 - 弥尔顿课程节选

The sign was to remain forever.

VOA: special.2009.07.29

Some boats that were lost remain forever so, or have not yet gotten back in the water.

FORBES: A Fishing Tournament In Gotham City

There is no doubt that Tripp's actions were at times contradictory and that her motives will remain forever murky.

CNN: There's Something About Linda

Though it seems unlikely that one game directly caused Santana's downfall, the performance and Santana's eventual demise will remain forever linked.

WSJ: Johan Santana: Another Tear for the Mets