Rarely
Once in a blue moon
Work better or leave
Get your act together
Better to arrive late than not to come at all
Better late than never
Take a risk
Throw caution to the wind
Ignore someone
Give someone the cold shoulder
It's too late
Miss the boat
Don’t take it too seriously
Take it with a grain of salt
Doing a good job
On the ball
On probation. If you make another mistake, there will be trouble.
On thin ice
To not hold someone responsible for something
Let someone off the hook
Tell something briefly
Make a long story short
good luck
break a leg
It's raining hard
It's raining cats and dogs
It's OK to miss this opportunity. Others will arise.
There are other fish in the sea
Believe what people do and not what they say
Actions speak louder than words
Calm down
Pull yourself together
Sick
Under the weather
What you have is worth more than what you might have later
A bird in the hand is worth two in the bush
You have to work for what you want
No pain, no gain
Don't give up
Hang in there
A really good invention
The best thing since sliced bread
Tell me what you're thinking
A penny for your thoughts
Better to show than tell
A picture is worth 1000 words
It's easy
It's a piece of cake
Give away a secret
Let the cat out of the bag
Understand something complicated
Wrap your head around something
very expensive
cost an arm and a leg
It's not complicated
It's not rocket science
Give away a secret
Spill the beans
Trust what someone says
Give someone the benefit of the doubt
Put a project on hold
Put something on ice
To joke with someone
Pull someone's leg
Something very common
A dime a dozen
Nothing is entirely free
There's no such thing as a free lunch
Saving money for later
Saving for a rainy day
Don't be so critical
Cut somebody some slack
It's your decision
The ball is in your court
This person or thing may look bad, but it's good inside
You can't judge a book by its cover
The worst possible situation
A perfect storm
Start over
Go back to the drawing board
To spoil something
Rain on someone's parade
Postpone a plan
Take a rain check
Go to sleep
Hit the sack
wait a moment
hold your horses
a good thing that seemed bad at first
A blessing in disguise
To make a bad situation worse
Add insult to injury
He seems crazy but actually he's clever
There's a method to his madness
Take only calculated risks
Look before you leap
stop working on something
call it a day
Just barely
By the skin of your teeth
Let's not talk about that problem right now
We'll cross that bridge when we come to it