He is a specialist fool, with no interest in anything outside his field.

She is planning a date with her current boyfriend.

He lost everything.

My boyfriend gave me a gift.

Everyone was surprised by the news.

He has expert knowledge.

He is studying computer science at a specialized school.

Metallic bonds are formed by ions floating in a sea of electrons.

When he opened the door, a metallic sound echoed.

Alkali metals are very reactive chemically.