I think his actions are a misjudgement.

This new drug has the potential to revolutionize cancer treatment.

Dear friend, how are you?

He was lying down, having wounds all over his body after the fight.

His heart was a symbol of his love.

The deep snow covered the road, and cars could not pass.

He proposed a new theory about the problem.

He was known as a divine troop.

This sentence is written in a mixed script of kanji and katakana.

He was prepared to risk his life to accomplish the mission.