Super Easy
It's a piece of cake
It's easy
Dead serious
Really serious
The ball is in your court
It’s up to you
Good catch
someone worth marrying/having
Come rain or shine
No matter what
Spill the beans
To give away a secret
It's raining cats and dogs
It's raining hard
Kill two birds with one stone
Get two things done with a single action
Beat around the bush
Avoid the main topic or not speak directly about the issue
Take it with a pinch of salt
Don’t take it too seriously
Break a leg
To wish someone luck
Let the cat out of the bag
Give away a secret
Pull someone’s leg
To play a practical joke
Bend over backwards
Do whatever it takes to help. Willing to do anything
Go down in flames
To fail spectacularly
Hit the sack
Go to bed
Miss the boat
It’s too late
On the fence
To be undecided
Bite off more than you can chew
Take on a task that is too big
Do more than you can do
See eye to eye
To agree completely
Barking up the wrong tree
Look in the wrong place or accuse the wrong person
You can say that again
That’s true
Once in a blue moon
Rarely
It’s the best thing since sliced bread
It’s really, really good
Born and bred
used to refer to where one's birth and childhood took place