Be mine forever (be mine forever).

永远成为我的。

youdao

Will you be mine forever?

你会永远是我的吗？

youdao

Your family and mine and all other animals have agreed to forget their differences and live in peace and friendship from now on forever.

你的家人和我的家人，还有其他所有动物都同意忘记他们之间的分歧，从现在开始永远生活在和平的友谊里。

youdao

Mine, on the other hand, looked irregular and lopsided, and it took forever for me to produce just one.

WSJ: Babushka's Dacha Dumplings

The mine has an estimated 10-year supply left of these pinks then they will be gone forever.

FORBES: The $1 Million Pink 'Prosperity' Diamond