Yasuhiro is my best friend.

Yasuyuki is my best friend.

He admitted that it is difficult to execute the plan, saying 'it is easier said than done.'

He decided to quit his job because it was a low salary.

His behavior became grounds for suspicion.

On is always maintaining a calm attitude.

He was worried about starting a new project, but I advised him, 'Doing something is easier than worrying about it.'

The protection of this town is my responsibility.

He is suffering from post-traumatic stress disorder from the war.

He was out of breath after running a long distance.