IDIOMS
1. On cloud nine
2. in seventh heaven
3. on top of the world.”
4. Like a dog with two tails狗开心时会摇尾巴
3. Full of the joys of spring
4. Happy camper
5. Over the moon
6. Paint the town red红色很鲜亮可以象征开心
用处：This idiom is used when a person is very happy and is going to go celebrate something with friends or relatives, or going out to a bar, club, or party to have a good time.
7.Having a whale of a time
8. On Cloud Nine
9. Tickled Pink (delighted)
10. on top of the world
11.Jump for joy.
12. Grin from ear to ear.
SIMILIES
1 Happy as a Clam
2 Pleased as punch
用一个字表达开心
Pleased — This word means betweenhappy” and satisfied.
Cheerful — This is when someone is visibly happy.
Exuberant — This is like cheerful — but even stronger.
Euphoric — When you're intensely happy.
Merry — This is a little like cheerful.
Overjoyed — This simply means very happy
happy; radiant
delight
glorified
blessed
glad;
cheerful
开心时会做的事：
Smiling.
Laughing.
Singing.
Dancing.
Jumping.
Hugging.
*参考网上资料
