There's too much blue blood in this family! They really should mix with the common people otherwise they'll degenerate.
She won a blue ribbon for her baking at the county fair.
lead a Charmed life：沉醉的日子
Mike was living the charmed life until he lost it all on that bet he took.
Cream of the crop：鹤立鸡群
Don't worry about you two breaking up, you're the Cream of the Crop! You're the Best there is! You don't need him.
Dressed to kill：穿着富丽有目共睹
Wow, Christy, even though this is a semi-formal, you're dressed to kill, babe!
Footloose and fancy-free：无拘无束
I think I'll go hiking in Europe for my holidays; I'll probably go on my own, footloose and fancy-free.
Go to town ： 干劲十足，青云直上
That kid can really go to town on a dance floor.
Look over there, Brian is riding the gravy train again.
He is such a happy-go-lucky child.
Have/got it made：非常成功
Now he's married a rich wife he's really got it made.
Head over heels in love：深深坠入爱河
She is head over heels in love.
In the pink：红光满面（描述健康）
She looked so well, she was "in the pink"
Keep up with the Joneses：比阔气、跟邻居攀比
If he can't afford a decent meal, he should not keep up with the Joneses.
live in the Lap of luxury: 过着奢华的日子
He used to live in the Lap of luxury, however, he got broke a while ago.
On cloud nine:九重天，欣喜若狂
He was on cloud nine after winning the competition.
Pop the question：求婚
Did you ever pop the question to her?
Roll out the red carpet：盛大欢迎
They were ready to roll out the red carpet when they heard that the celebrity was not the real McCoy.
He's been sitting pretty ever since he got that new job.
Strike it rich：恭喜发财
Happy New Year and hope you strike it rich!
Sweep someone off his/her feet：敬服的五体投地
I am swept off my feet by her wit and charm.
Through thick and thin：不过艰难险阻
A true friend sticks through thick and thin.
Tickle someone's fancy：逗弄
There was plenty there to tickle a child's fancy.
I was tickled pink at the news.
Tie the knot：成婚
I really want to tie the knot this year and start a family.
Eton is a school that only the children of the upper crust can afford.
With flying colors：很有风貌 （取得胜利）
He passed the examination with flying colors.