nonplussed

英[ˌnɒn'plʌs] 美[ˌnɒn'plʌs]
  • vt.使困惑;使为难n.迷惑;困惑;僵局
Verb:
  1. be a mystery or bewildering to;

    "This beats me!"
    "Got me--I don't know the answer!"
    "a vexing problem"
    "This question really stuck me"

    用作名词 (n.)
    1. The professor is never at a nonplus,and never perplexed by a problem.
      那位教授从来不会感到困惑,也不会被任何问题所难倒。