This sentence uses a comma to separate phrases.

Konno-san is my best friend.

Tuyuhun was an ancient tribe.

This match has turned into a complete free-for-all fight.

My hobby is operating radio-controlled cars.

I heard the sound of a fox, 'kon kon', in the middle of the night.

I couldn't hear his voice due to the crossed line on the phone.

The phone line got crossed, and our conversation was heard by someone else.

I recently started marriage hunting.

It's difficult to mix and use English and Japanese together.