求翻译：我知道你肯定也非常思念你那位逝去的朋友,但是我们都要很坚强,我们要微笑,因为他们在天堂看着我们,希望我们幸福.是什么意思？

I know you miss your friend who died, but we all have to be very strong, we want to smile, because they looked at us in heaven, want our happiness.