perplexed

adj.

困惑的，糊涂的；复杂的，杂乱的；

v.

使迷惑，使混乱( perplex的过去式和过去分词)；使复杂化，使难办；

1. We were perplexed by his failure to answer the letter.
   他何以不回信,我们大惑不解。
2. When new math was introduced into schools, many parents were perplexed by it.
   当学校开设新的数学课时，许多家长对此感到迷惑不解。
3. Faced with that dilemma, he was perplexed.
   他面对进退两难的局面，不知如何是好。

The Guide of the Perplexed
The Guide of the Perplexed
The guide of the perplexed /
Semaphorins Guide PerPlexeD Endothelial Cells
Vexed surgeons, perplexed patients, and breast cancers which may not be cancer.
Factors perplexed development of nursing scientific research in China and its strategies
How Not to Be a Hypocrite: School Choice for the Morally Perplexed Parent
Ketcham A, Muffat FVexed surgeons, perplexed patients, and breast cancer, which may not be cancer. Cancer 65: 387-393
Analysis of the Zebrafish perplexed mutation reveals tissue-specific roles for de novo pyrimidine synthesis during development.
Complications of traditional Chinese/herbal medicines (TCM)—a guide for perplexed oncologists and other cancer caregivers