They promised each other that they would keep up their friendship forever.

他们互相允诺要永远保持他们之间的友谊。

youdao

True friendship is not able to keep him up.

真挚的友谊没能挽留住他。

youdao

We no longer keep up the close friendship of a few years ago, though we still visit each other on occasion.

我们已不像几年前那样关系密切，但是偶尔也会去看望对方。

youdao

If -- with the knowledge that your friend is lame and cowardly -- you still want to keep the friendship alive and high-steppin', might we suggest, and this is crazy, pulling up his number and calling him maybe?

CNN: Dueling online over 'Call Me Maybe'