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