He decided to withdraw from the laboratory.

My father works at a sawmill.

He is muttering to himself.

A proper noun is a noun that refers to a specific person, place, or thing.

Please read this instruction manual carefully before using the product.

I forgot my identification papers, so I couldn't open an account at the bank.

Compound nouns are a very important part of Japanese grammar.

I feel a little inconvenience in this room.

Fuji Five Lakes is a place where you can enjoy the beautiful nature of Japan.

His behavior is irregular.