The engine is idling.

This area is very quiet.

I can't find my soldering iron.

I am interested in Japanese language education.

Learning Modern English is important for smooth international communication.

The study of Middle English is very important for understanding the history of English.

Wasei-eigo is a unique way of expression in Japan.

He can speak American English fluently.

I am learning Old English.

He wants to work in an Anglosphere country.