... the hatchet.
Bury the hatchet.
It's a ... in disguise.
It's a blessing in disguise.
Let's ... the knot.
Let's tie the knot.
Feeling ... the weather.
Feeling under the weather.
Don't put all your eggs in one ....
Don't put all your eggs in one basket.
Take it with a ... of salt.
Take it with a grain of salt.
You're ... up the wrong tree.
You're barking up the wrong tree.
Curiosity ... the cat.
Curiosity killed the cat.
Every cloud has a ... lining.
Every cloud has a silver lining.
It's the ... of both worlds.
It's the best of both worlds.
Bite off more than you can ....
Bite off more than you can chew.
At the ... of a hat.
At the drop of a hat.
She's a ... horse.
She's a dark horse.
Let ... dogs lie.
Let sleeping dogs lie.
A leopard can't ... its spots.
A leopard can't change its spots.
The best thing since ... bread.
The best thing since sliced bread.
Actions ... louder than words.
Actions speak louder than words.
As ... as a rock.
As solid as a rock.
Burn the ... oil.
Burn the midnight oil.
Once in a ... moon.
Once in a blue moon.
I'll be glad to see the ... of him.
I'll be glad to see the back of him.
Cross that ... when you come to it.
Cross that bridge when you come to it.
It's a ... in the bucket.
It's a drop in the bucket.
... your tongue.
Bite your tongue.
Sit on the ....
Sit on the fence.
Kill ... birds with one stone.
Kill two birds with one stone.
Close, but no ....
Close, but no cigar.
... the hook.
Off the hook.
I ... a rat.
I smell a rat.
... on the bandwagon.
Jump on the bandwagon.
It's a ... of cake.
It's a piece of cake.
The ball is in your ....
The ball is in your court.