I intend to call upon my friends some time in the future.

It was a hunting party that had come upon our friends just in time.

As if he had somehow passed a sentence of living death upon his friend.

The little man started, and turned his malignant eyes upon my friend.

May I ask, therefore, that you will keep an eye upon my friend should we be indeed defeated this night?

She saw the effect her words had upon her friend.

I wished you upon my best friend, may the gods forgive me!

Now we will go down to call upon Harût and his friends.

I don't prey upon my friends, or pry into their affairs.

Is it likely that I am going to play tricks upon my oldest friend?