YOU SAID:
He became stupid after playing video games all day long.
INTO JAPANESE
彼は愚かなビデオ ゲームを一日中プレイした後なった。
BACK INTO ENGLISH
After he played a stupid video game all day long.
INTO JAPANESE
彼は一日中テニスをした。
BACK INTO ENGLISH
He played tennis all day long.
INTO JAPANESE
彼は一日中テニスをした。
BACK INTO ENGLISH
He played tennis all day long.
You've done this before, haven't you.