His grades are starting to suffer because he spends too much time on playing computer games.
因为他花太多时间到电脑游戏上，他的成绩开始变差。
suffer有受苦的意思，在上句中suffer 指变糟，受损害。
He suffered a great deal in those days.
那时他受了不少苦。
His grades are starting to suffer because he spends too much time on playing computer games.
因为他花太多时间到电脑游戏上，他的成绩开始变差。
suffer有受苦的意思，在上句中suffer 指变糟，受损害。
He suffered a great deal in those days.
那时他受了不少苦。
