Whole bag of tricks
Trying all the clever means to achieve something
Chase your tail
Spending a lot of time and energy doing a lot of things but actually achieving
too little
Acid test
Acid test proves the effectiveness of something
Fine-tooth comb
Examining something carefully to not miss out any details
Get the show on the road
Putting up a plan or idea into action
Deliver the goods
Do what is expected or promised
Cut the ground from under (your) feet
When you cut the ground from under someone’s feet you do something which
weakens their position
Get ducks in a row
Getting your things well-organized
Explore all avenues
Trying out every possibility to get a result
Like a charm
Works very well or has the desired effect
Tricks of the trade
Clever or expert way of doing something
Sail through something
Being successful in doing something without difficulty
Keep your fingers on the pulse
Being constantly aware of the most recent developments
Separate sheep from goats
Examining a group of people and deciding their suitability
Get a grip on yourself
Controlling your feelings to deal with a situation
Go bananas
Refers to someone who behaves in a crazy way out of emotions
Sink your teeth into
Doing something with a lot of energy and enthusiasm
Have one's heart set on
Possessing a determination to obtain something
Hang on by fingernails
Continuing to do something in a very difficult situation
Proud as a peacock
Refers to an extremely proud person