make somebody's acquaintance

You mustn't live a moment longer without making his acquaintance.

I didn't just make her acquaintance a few months ago.

I made his acquaintance about 15 or 16 years since.

But he didn't want to make their acquaintance the hard way.

He considered trying to make her acquaintance, but two things moved against it.

Nor did I take any action toward making her acquaintance.

All that is possible, but how am I to make her acquaintance?

"Never having made the acquaintance of any, it is difficult to say."

On the evening of the third, I made acquaintance with his wife in a visit to them.

Many men, it seems, have never made their own acquaintance.