blue streak

名词 n.
中文释义

英文释义

名词 n.
  1. A great deal of fast talking, cursing, lying, or similar. informal
    — to talk a blue streak
  2. A trace left by something that is too quick to see.
    — To pass[…] with such rapidity as not even to leave a ‘blue streak’ behind him

词源

From the afterimage of a stroke of lightning, which looks like a blue streak across the sky.
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