Important Idioms and Phrases [Starts with “B”]
Back out — to withdraw from a promise, contract : I felt grieved when he backed out of his promise to help me.
Back up — to support; to sustain : He backed up his report with relevant statistics.
Bear upon — to be relevant to : This argument does not bear upon the subject under discussion.
Blow up — to explode : The mine blew up and all the labourers working inside were killed.
— to reprimand or scold : If you continue to be negligent, the teacher will blow you up.
Break down — of a car; a piece of machinery; to go wrong so that it will not function : The car broke down on our way to Mumbai.
— to collapse; to succumb to uncontrollable weeping : She broke down completely on hearing the news of her husband’s death.
— to succumb to a nervous collapse through overwork or worry : He worked so hard that his health broke down near the examination.