They've been living high on the hog ever since David won the lottery.
2) Rack One's Brains-make a great effort to think of or remember something-
Meg racked her brain for inspiration.
3) Shot In The Arm-an encouraging stimulus-
The movie was a real shot in the arm for our crew.
4) Lost In Thought-fully and deeply engrossed in a thought or idea, often to such a degree as to be unaware of or insensitive to the outside world-
It's no use trying to talk to Helen when she's lost in thought like that, it's as if we don't even exist!
5) Change Your Tune-to change your opinion completely, especially because you know it will bring you an advantage-
He was against the idea to start with, but he soon changed his tune when he realized how much money he'd get.
6) From Scratch-from the beginning, without using anything that already exists-
Ben built the shed from scratch without anyone's help.
7) At Sea-confused-
I'm all at sea with the new computer system.
8) Fair And Square-honestly and straightforwardly, with absolute accuracy-
They won the match fair and square.
9) A One-track Mind-to think about one particular thing and nothing else-
My sister has a one-track mind, only thinking about how something can further her career.
10) Plain Sailing-to be easy and without problems-
The roads were busy as we drove out of town, but after that it was plain sailing.
12) Different As Night And Day-very different, as different as possible-
They might be identical twins, but Jim and Greg are different as night and day in personality.
13) In The Red-spending more money than you earn-
The company has been in the red for the last three quarters.
14) A Narrow Escape-a situation in which danger or problems are barely avoided-
That guy barely made it over the tracks before the train came. What a narrow escape!
15) Lump Sum-a single payment made at a particular time, as opposed to a number of smaller payments or instalments-
Your pension plan can provide a cash lump sum at retirement as well as a regular income.
16) Wrap One's Head Around-to comprehend something that one considers challenging, confusing, or a foreign concept-
Kate is willing to pay full price for an expensive handbag, but I just can't wrap my head around that.
17) Like A Dog With Two Tails-used to say that someone is very happy about something-
Lucy will be like a dog with two tails if she gets into the team.
18) Vim And Vigor-an abundance or excessive amount of boisterous, youthful energy, enthusiasm, or vitality-
Nothing like a swim in the brisk Atlantic ocean to fill you with vim and vigor first thing in the morning.
19) Like Water Off A Duck's Back-referring to a potentially hurtful remark which has no apparent effect on the person involved-
The criticism was like water off a duck's back to Nick, but I'm sure it upset Paul.
20) Your Heart Goes Out To Someone-to feel sympathy for someone-
My heart goes out to Carla, with a sick husband and three kids to look after.
