释义 |
idiomswear blind (that)(also swear up and down (that))old-fashioned used in order to emphasize that someone says they are telling the truth:Remember Eric? He used to swear blind he saw his mother standing at the end of the bed, years after she'd died, you know.The duplicator has arrived but we have no stencils or fluid - we didn't buy any because the boss swore up and down they would come with the machine.
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