throw down the gauntlet

常見例句

用作不及物動詞 (vi.)

• The trade unions have thrown down the gauntlet.
  工會已經(jīng)提出挑戰(zhàn)。
• The fathers challenged the sons to a race.
  那些父親們曏兒子們挑戰(zhàn)進(jìn)行賽跑。
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