Common
not suitable for something
not cut out for
To treat someone in an unfriendly manner
Cold Shoulder
Does something according to the rules
By the book
My humble opinion
My two cents worth
Beyond your existing knowledge or ability
Out of your depth
Trying to do something that is too difficult to finish
Bite off more than you can chew
Tell a secret
Spill the beans
Don't wait too long because it might not happen
Don't hold your breath
A process have been completed
Come in full circle
(Almost) too late
Late in the day
Generally obvious
in the air
With no mercy
In cold blood
I think someone is saying something about me
My ears are burning
All day
Round the clock
Without research, planning or considering
Off-the-cuff
Discuss something that was causing people to feel upset
Clear the air
Something that cannot be accomplish
A losing battle
Regular income
Bread and butter
Don't make plans for something that might not happen
Don't count your chickens before the eggs have hatched
Would never
Wouldn't be caught dead
Early Bird
Make someone prove what they say
Call someone's bluff
A wealthy person
A fat cat
Very scheduled and predictable
Like clockwork
A stubborn, strong person
A tough cookie