to be lost in thought or imagination
思考や想像にふける (shikou ya souzou ni fukeru)
"He didn’t hear me because he was in a world of his own."
"彼は 自分の世界にいた ので、私の声が聞こえませんでした。" (Kare wa **jibun no sekai ni ita** node, watashi no koe ga kikoemasen deshita.)
bruised; having marks from injury
to reach the highest possible level or price
to have a friendly relationship with someone
to do exactly what is needed to get a desired result
to feel very nervous about something
very ill
