He was working with audacity.

He died from karoshi.

The anal fin of this fish is very distinctive.

He is deeply involved in the study of Islamism.

He went into the back room.

I didn't hear the sound of voiceless cicadas at all this summer.

He is deaf and communicates using sign language.

He had a bad attitude towards me, so I returned tit for tat with the same attitude.

He insulted me, so I returned tit for tat and said the same thing back to him.

His collection includes a lot of Shippou, including gold.