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