in a nonplus 感到困惑
cause nonplus 引起困惑
be at a nonplus 不知所措
1. The unexpected news threw him into a state of nonplus.
这意外的消息让他陷入了一种困惑的状态。
2. Her questions put the speaker in a nonplus.
她的问题让演讲者陷入了尴尬和不知所措的境地。
3. There were several nonpluses during the interview, but the candidate recovered quickly.
面试中出现了几个令人困惑的时刻，但候选人很快恢复了镇定。
A: I couldn't understand his comment at all. It was a complete nonplus.
A：我完全无法理解他的评论。这完全让我感到困惑。
B: Yes, it was one of those moments that left us all in a nonplus.
B：是的，那是让我们所有人都不知所措的时刻之一。
1) 困惑，不知所措
2) 尴尬的局面
3) 令人难堪的情况
1. 名词：困惑，不知所措的状态
e.g.She was left in a nonplus by his sudden resignation.
他的突然辞职让她感到不知所措。
noun
1. A state of confusion or uncertainty about what to do or say.
Synonym: confusion, bewilderment, dilemma