Break even
to neither make a profit nor suffer a loss; to have expenses equal to income
Blow one's own trumpet (or blow one's own horn)
to boast or brag about one's own achievements or abilities
Blow off steam (or let off steam)
to release or express one's anger, frustration, or stress in an harmless way
Black sheep (of the family)
someone who is considered different, strange, or disgraceful by their family or group
Bite the dust (or bite the bullet)
to die, fail, or be defeated; to face a difficult or unpleasant situation bravely or stoically
Bite one's tongue (or hold one's tongue)
to stop oneself from saying something that might be inappropriate, rude, or offensive
Big cheese (or big shot or big wig)
an important or influential person, usually in a high position
Between a rock and a hard place
in a difficult situation where one has to choose between two equally bad options
Best of both worlds
a situation where one can enjoy the benefits or advantages of two different things at the same time
Bend over backwards
to make a great effort or go out of one's way to help or please someone
Beauty is in the eye of the beholder
a way of saying that different people have different opinions or preferences about what is beautiful or attractive
Beat a dead horse
to waste time or effort on something that has no chance of success or is already decided or resolved
Be over the moon
to be very happy or ecstatic.
Be on the same page (or be on the same wavelength)
to have the same understanding or opinion as someone else
Be on cloud nine
to be very happy or ecstatic
Bark up the wrong tree
to have the wrong idea or pursue the wrong course of action
Bad blood (between people)
ill feelings, resentment, or hostility between people, usually because of past conflicts or disagreements
Back to the drawing board
back to planning or thinking about something after failing or making no progress
At the drop of a hat
immediately or without hesitation
As sick as a dog (or as sick as a parrot)
very sick or ill
As happy as a clam (or as happy as Larry)
very happy or content.
Apple of my eye
someone who is very precious or dear to me
An arm and a leg
a very high price or cost
A storm in a teacup
a lot of fuss or trouble over something that is not important
A slap on the wrist
a mild or lenient punishment