These words all describe feeling, showing or giving pleasure or satisfaction. 以上各词均表示快乐、愉快、满意。

• happy feeling, showing or giving pleasure; satisfied with sth or not worried about it 指快乐的、满意的、放心的：◆a happy marriage/memory/childhood 幸福的婚姻／回忆／童年◆I said I'd go, just to keep him happy. 我说我要去只是为了让他高兴。
• satisfied pleased because you have achieved sth or because sth has happened as you wanted it to; showing this satisfaction 指满意的、满足的、欣慰的：◆She's never satisfied with what she's got. 她对自己所得到的从不感到满足。◆a satisfied smile 满意的微笑
• content [not before noun] happy and satisfied with what you have 指满意、满足：◆I'm perfectly content just to lie in the sun. 我在阳光下躺着就感到非常满足。
• contented happy and comfortable with what you have; showing this 指满意的、满足的、惬意的：◆a contented baby 心满意足的小宝贝◆a long contented sigh 惬意的长叹

content or contented? 用 content 还是 contented？

Being contented depends more on having a comfortable life; being content can depend more on your attitude to your life: you can have to be content or learn to be content. People or animals can be contented but only people can be content. * contented 多指因生活舒适而惬意；content 多指对生活的态度，可以用 have to be content（只好知足）或 learn to be content（学会知足）。人和动物均可用 contented，但只有人才能用 content。

• joyful (rather formal) very happy; making people very happy 指高兴的、快乐的、令人愉快的
• blissful making people very happy; showing this happiness 指令人愉快的、极乐的、幸福的：◆three blissful weeks away 无忧无虑的三周假期

joyful or blissful? 用 joyful 还是 blissful？

• Joy is a livelier feeling; bliss is more peaceful. * joy 较活跃和富活力，bliss 则较平和。

Patterns

• happy/satisfied/content/contented with sth
• a happy/satisfied/contented/blissful smile
• a happy/joyful occasion/celebration
• to feel happy/satisfied/content/contented/joyful
• very/perfectly/quite happy/satisfied/content/contented