This medicine has an analgesic effect.

His death was a deep regret for all of us.

He deeply lamented his failure.

This is the common method.

This is a situation that is different from the common case.

A notice came, so tomorrow's meeting has been cancelled.

I notified him of the party schedule.

My eye pain is so severe that it's hard for me to look at the computer screen.

I am interested in investing in cryptocurrency.

Her reaction to his death was grieved.