Idioms starting with B

English

Barking up the wrong tree

To have the wrong idea about how to get or achieve something

Be up the spout

To be or go wrong; to fail to work or be successful

Belt and braces

Taking more actions than are really necessary to make sure that something succeeds or works as it should

Build castles in the air

To have plans or dreams that are not likely to happen or come true

Burn the midnight oil

To study or work until late at night

Back in the day

In the past

By the book

Following rules and instructions in a very strict way

Be carried away

To get very excited or lose control of your feelings

By leaps and bounds

Very quickly, in large amounts

By hook or by crook

Using any method you can, even a dishonest one