from scratch
from the very beginning, especially without making use of or relying on any previous work for assistance
Break a leg
Good luck!
On top of the world
Happy and elated
Piece of cake
Something is easy to do
Once in a blue moon
Something is done very rarely
every now and then
from time to time; occasionally.
I've had my fill of (something)
To have, consume, or experience as much (of something) as one desires or is able to. Often used in the present perfect tense ("have had one's fill")
to be at the end of my tether
a situation in which one has no patience or energy left to cope with something.
With flying colours
an overwhelming victory, triumph, or success
On edge
Tense, nervous, irritable
Stab on the back
A betrayal
Put a sock in it
Stop talking!
Let the cat out of the bag
When you reveal a secret or a hidden fact
for the time being
for the present; until some other arrangement is made
the best of both worlds
all the advantages of two different situations and none of the disadvantages
keep your cool
to remain calm in a difficult situation.
go hand in hand
closely associated or connected
Down in the dumps
Feeling very sad
Trilled to bits
Excited and pleased
on track
following a course that is likely to achieve what is required.
It made my day
you have just said or done something great for me and that has made this day a very great and important one
Under the weather
Feel unwell