元となった例文
Kinchō shite ita no darō ka, kare wa katai hyōjō o shite hōtei ni haitte kita.Perhaps because he was nervous, he entered the courtroom with a serious expression.
Kinchō shite ita no darō ka, kare wa katai hyōjō o shite hōtei ni haitte kita.Perhaps because he was nervous, he entered the courtroom with a serious expression.