challenge

n

• ① 挑战(以定强弱胜负)<to>;邀请比赛(以较量高低)<to>
  • They issued a challenge to tyranny.他们向暴政发出挑战。
  • give [offer] a challenge挑战
  • He accepted [took up] the challenge to run a race.他接受了赛跑的挑战。
  • take a challenge lying down向困难屈服

• ② 1(哨岗令人止步并说明身分的)口令或盘问2(对于说明或证据的)要求,异议,质问
  • The sentry gave the challenge, "Halt! Who goes there?"哨兵发口令盘问:「止步!那边是谁?」
  • He ignored the sentry's challenge to halt.他不理会哨兵要求止步表明身分的命令。

• ③ 1挑战性2具有挑战性的工作
  • This is a job with enough challenge.这是一件具有足够挑战性的工作。
  • This job is not enough of a challenge.这件工作不太具有挑战性。

• ④ 【法律】(对陪审员或投票等的)反对