- BAG OF BONES
an extremely thin person.
e.g. He’s turning into a bag of bones. He lost so much weight.
- BACK THE WRONG HORSE
to support someone or something that later cannot be successful.
e.g. Don’t back the wrong horse! You know he cannot win the elections.
- BE A CHICKEN
be a coward
e.g. Don’t be a chicken. Talk to her about your love for her.
- BE A COLD FISH
be a person who is distant and unfeeling
e.g. He rarely talks to his colleagues. He’s a cold fish.
- BE DECKED OUT
be dressed in formal clothes for nice occasions.
e.g. She was decked out in a beautiful dress, and everyone was surprised.
- BEAT A DEAD HORSE
(Also flog a dead horse.) To persist or continue far beyond any purpose, interest or reason.
e.g. If you continue talking about something that cannot be changed, you are beating a dead horse.