纳闷儿的英文：
feel puzzled
be perplexed
wonder
v. 感觉；认为；有知觉；摸索
n. 感觉，印象
feeling of efficacy
效力感
Has a feeling for language.
对语言有领悟力
You can feel the electricity in the crowd.
你可感到群众的激情。
adj. 困惑的
v. puzzle的过去式和过去分词；使困惑
explain puzzles
解释难题
This mystery puzzles me.
这件神秘事情使我百思不解。
He is in a puzzle about the matter.
他对这件事大惑不解。
adj. 困惑的，迷惑不解的
I have no wish to perplex the issue.
我不想使问题复杂化。
A state of perplexity,confusion,or bewilderment.
迷惑困惑、迷惑或糊涂的状态
The problems it created were very perplexing.
它所造成的问题是十分复杂的。