1) By Leaps And Bounds-rapid, by large movements forward-
The profits of my company are increasing by leaps and bounds.
2) Leather - Lunged-speaking or capable of speaking in a loud, resonant voice, especially for prolonged periods-
The leather-lunged lead singer was able to shake the audience with her soulful outpourings.
3) A Leap Of Faith-an act of believing something that is not easily believed-
It took a big leap of faith to decide to quit my job and try something new.
4) Wear More Than One Hat-to have more than one set of responsibilities, to hold more than one office-
The mayor is also the police chief. She wears more than one hat.
5) Make No Bones About-not to try to hide your feelings-
He made no bones about his dissatisfaction with the service.
6) Throw Someone A Bone-do something to appease someone, typically by making a minor concession or helping them in a small way-
The finance minister threw first time home buyers a bone in the form of a minor tax benefit.
7) At The Helm Of-in control, in charge-
She is the first woman to be at the helm of this corporation.
8) By The Book-strictly according to the rules-
A cop who doesn't exactly play it by the book.
9) Unsung Hero-a person who makes a substantive yet unrecognized contribution-
They were the unsung heroes of the American Revolution.
10) Argy - Bargy-loud argument or disagreement that is not usually serious-
A bit of argy-bargy between actor and director.
11) Get A Word In Edgewise-to have an opportunity to speak-
Brad talked so much that nobody could get a word in edgewise.
12) Cut Corners-to do something in the easiest, cheapest, or fastest way-
There is always a temptation to cut corners when time is short.
13) Cover All The Bases-to deal with every part of a situation or activity-
I think I have covered all the bases - I called everyone, ordered the food , and bought some decorations.
14) A Sledgehammer To Crack A Nut-use much more force or put more effort than needed-
Fifty police officers to arrest two unarmed men is surely using a sledgehammer to crack a nut.
15) Be None The Wiser-to still be confused about something even after it has been explained to you-
I've read the instructions twice and I'm still none the wiser.
16) Crystal Clear-completely transparent and unclouded, very easy to understand-
She made it crystal clear that she was in charge.
17) A Means To An End-something done to achieve something else-
I didn't particularly like the job - it was just a means to an end.
18) Work For Peanuts-to work for very little money-
I need a raise - I'm sick of still working for peanuts after three years!
19) Bells And Whistles-attractive additional features or trimmings-
Manufacturers still build luxury cars with all the bells and whistles.
20) Dig Your Own Grave-to do something foolish that causes you harm-
She dug her own grave when she made fun of the boss.