He is using that coat from winter to spring.

You need to use your head to solve this problem.

He chanted a magic spell to summon the beast.

I received a summons from the court yesterday.

It's a tradition to make gingerbread for Christmas.

I learned about the reaction of amidine in chemistry class.

Hydrazine is a compound represented as NH₂-NH₂ in inorganic chemistry.

He lost everything.

She is planning a date with her current boyfriend.

My boyfriend gave me a gift.