happy、glad、cheerful、cheery、sunny辨析

标题中几个形容词的意思都指心情舒畅、乐观高兴。happy强调深感幸福、满足、宁静和快乐,但这种心情不一定溢于言表。某事物使你感到高兴,也可以用happy去形容,例如:You are happy when you are having a good time.玩得好心情就愉快。