He broke the glass carelessly.

His carelessness caused the accident.

He was paying attention to the teacher's talk during the class.

This issue requires attention.

Him calling me lazy is truly a case of the pot calling the kettle black.

I went to see a movie by myself.

Watching a movie alone is enjoyable.

He spat out words in anger.

尀 is an alternative form of 叵.

Our friend from Poland taught us about their country's culture.