fun: usually implies laughter or gaiety but may imply merely a lack of serious or ulterior purpose: played cards just for ~.


jest: implies lack of earnestness in what is said or done and may suggest a hoaxing or teasing: took seriously remark said only in ~.


sport: applies especially to the arousing of laughter against someone by raillery or ridicule: teasing begun in ~ ended in an ugly brawl.   (raillery逗笑,善意玩笑注意两个l)  brawl打架斗殴


game: is close to sport and often stresses mischievous or malicious fun but may also apply to any activity carried on in a spirit of fun: habitually made ~ of their poor relations.    如he was playing games with the dog他在逗着狗玩   malicious fun恶作剧


play: stresses the opposition to earnest or serious and connotes the absence of any element of malice or mischief: pretended to strangle his brother in ~.


fun开心乐趣: 表示笑声欢乐，或仅表示没有严肃或其他目的， jest玩笑: 不认真，常表示逗骗挑逗，sport取笑: 或善意取笑或嘲弄某人，game玩耍: 更强调调皮或恶作剧，或仅表示为了开心，play玩耍: 仅强调和严肃认真相反，而非调皮或恶作剧


记忆方法: 1) 首字母FJ GPS带导航的模型飞机<==开心玩耍

         2) 玩耍的意思是让人轻松欢笑mean action or speech that provides amusement or arouses laughter.首字母FJ GPS带导航的模型飞机<==开心玩耍   (注意不可数名词用or连接时谓语动词用单数)