The day we have been looking forward to has come at long last.

这个日子好不容易盼到了。

《新英汉大辞典》

After all, I have been looking forward to studying abroad for a long time. I will try my best!

毕竟这两年来我都一直渴望着出国深造，我会努力的！

youdao

People have been looking forward to the secret recipe of a good health and a long life.

古往今来人们一直往想健康长寿的秘方，为了追求长寿而不断地探索。

youdao

So I have really been looking forward to this trip for a very long time.

WHITEHOUSE: Town Hall with Students in Mumbai