- 这对情人互相许诺永不变心。The lovers promised to be faithful forever. 
- 我们永远怀念他。We will embalm him forever. 
- 你不能永远护住自己的子女,不让他们接触现实生活。You can't screen your children from the real life forever. 
- 这位封臣宣誓他将永远忠诚于国王。The vassal swore that he would be loyal to the king forever. 
- 如果你一直呆在家里,就永远不会有生活经验。You'll never see life if you stay at home forever. 
- 没有人能永保青春。No one can remain youthful forever. 
- 古埃及的许多法老相信他们可以永生。Many Pharaohs in ancient Egypt believe they can live forever.