He raised his hand.

I'm spending the happiest days imaginable.

I am spending the happiest days of all.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

This music is flowing with a pleasant ⠐⠫ along with a beautiful melody.

Natural language understanding is an important field of artificial intelligence.

I'm sorry, but I don't speak Japanese.

I am studying for the Japanese Language Proficiency Test next year.

The government declared a state of emergency to prevent the spread of the new coronavirus.