Katsutoshi is my best friend.

That word is a misnomer, it's not an accurate expression.

I was amazed by his unparalleled skills.

He misread the ancient document.

He misread the ancient document.

I think this information is a miscommunication.

This sentence may be a mistranslation, so please check it again.

This sentence may be mistranslated.

He was taken to the hospital due to accidental ingestion.

He ate something by mistake and had an allergic reaction.