black and white= something which is extremely clear（黑白分明的；絕對的）
He told her in black and white that she couldn't leave the house while he was out.

dos and don'ts= the rules （行為準則，須知，注意事項）
There are various dos and don'ts about driving in the UK.

haves and have nots= people who are rich and those who are not （富人和窮人）
In London you can find the haves and have nots of the population.

ins and outs= the details （細節，始末，詳情）
I don't know the ins and outs of the situation, so I can't really advise you.

kiss and tell= when someone sells a story of themselves and a famous person （泄漏秘密）
The British tabloids are famous for publishing kiss and tell stories.

odds and ends= small pieces of various items （零碎東西，零星雜物）
She made a stew with the odds and ends she found in the fridge.

P's and Q's= manners ( such as please and thank you ) （言行）
Mind your P's and Q's when you visit them!

pros and cons= advantages and disadvantages （贊成和反對）
There are a few pros and cons that we should consider before buying a new house.

rights and wrongs= all the good points and bad points of a situation （事情的真相、全部）
Regardless of the rights and wrongs of company policy, you need to give a month's notice.

tried and tested= something which has been well tested （經過反復考驗的）
Using salt is a tried and tested way of getting red wine out of a carpet.

ups and downs= good and bad periods following one another in turn（盛衰，沉浮）
They have a lot of ups and downs in their relationship.

back and forth= not to stay still, but to keep traveling between two places （來回地，反復地）
I'm so glad I'm moving. I was getting sick of going back and forth every day. Now my fourney to work will be a lot quicker.

dribs and drabs= small unimportant amounts （點滴、少量）
The marathon runners finished in dribs and drabs.

said and done= to have the final word on something （說到底，畢竟）
When it's all said and done, the new reception area is going to be a credit to the company.

cat and mouse= doing something in the same way that a cat plays with a mouse （貓鼠游戲，欲擒故縱）
The guerillas played a cat and mouse game with the much better-equipped army.

trial and error= to do something new by making experiments and occasionally falling 反復試驗
The new computer system has been installed. But it's a bit trial and error at the moment - nobody really knows how to use it.

flesh and blood= your family 家人
I have to help him if I can - he's my flesh and blood.

down and out= someone who has no money at all who has to live on the street （貧困的，貧病交迫的）
There are too many young down and outs in London.

by and large= generally （大體上，總的說來，一般的說）
By and large, our customers prefer good service to low prices.

bring and buy= a fair where people try to raise money for a cause by bringing something that other people might want to buy （慈善救濟性自由集市）
I'm making a cake for the school's bring and buy next week.

hide and seek= a children's game where one child hides and the others try to find him / her （捉迷藏）
Someone's been playing hide and seek with the TV remote control again.

to and fro= another way of saying " back and forth " （往返地，來回地）
I'm exhausted - I've been going to and fro all week!

over and out= something you say to show you have come to the end of your message （通話完畢）
The last thing they heard from the pilot was 'over and out'.

done and dusted= properly finished （完畢，了結）
Well, that's this project done and dusted. We need a holiday now.

wine and dine= to entertain someone lavishly （以好酒好菜款待客人）
He's well-known for winning and dining his business partners.

bread and butter= your main source of income, or the most important issue （維持生活所需的）
Health and education are the bread and butter issues facing the UK government.

spick and span= ( of a room, house, etc.) completely clean and tidy again （房間、屋子等打掃得干干凈凈的；整潔的）
Her house is spick and span at all times

wheel and deal= to make deals in a skillful and perhaps dishonest way when buying and selling things （討價還價，玩弄手段，投機取巧）
If you need a new car, try speaking to John. He's a bit of a wheeler and dealer.