a look of complete bewilderment 完全困惑不解的神情
baffle sb. completely 使某人完全困惑
be bewildered at 对……感到迷惑
be bewildered by 被……难住
be in a puzzle about 对……不解
be perplexed at/about/over/by 对……感到困惑
be perplexed for an answer 不知如何回答是好
be puzzled about/over 苦思某事
feel a little confused about 对……有些困惑
get confused with 不知所措
in a state of confusion 不知所措
look at sb. in bewilderment 困惑地看着某人
look at sb. in perplexity 困惑地望着某人
perplex sb. with question 以问题使某人困窘
puzzle out an answer 苦想出答案
stammer in confusion 紧张得结结巴巴