You're bound to have a marvelous time.

你一定会过得非常愉快的。

Linda: Yes. He and Susie had a marvelous time.

琳达：是的。他和苏西玩儿得很开心。

I know I am missing a marvelous time！I am so sorry for that!

我知道失去了一次极好的机会，对此我深感遗憾！

We had a marvelous time at the barbecue party in the garden.

我们在花园里开了个烧烤会，过得非常开心。