发出挑战
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
?挑战
... pick up the gauntlet 应战(护卫) cast the gauntlet 挑战,邀请某人参加比... fling the gauntlet 挑战,邀请某人参加比...
In classic fashion, the president has cast the gauntlet before the other branches of government.
NPR: Justifications More Troubling Than Spying Itself
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。