perplexities

n.

困惑( perplexity的名词复数 )；混乱；复杂；困难

1. She looked at us in perplexity.
   她茫然地看着我们。
2. He wrinkled up his forehead in perplexity.
   他困惑地皱起了眉头。
3. It's a problem of such perplexity that it was impossible to solve.
   那是个复杂得无法解决的问题。

Perplexities
Perplexities
Perplexities
Perplexities of Consciousness
Perplexities of consciousness /
Précis: Perplexities of Consciousness
Science as a Way of Life: Perplexities of a Physician-Scientist
Perplexities of pertussis: recent global epidemiological trends and their potential causes.
Sea-level curves: Perplexities of an end-user in morphotectonic applications
FOOD-AVOIDANCE IN HUNGRY PIGEONS, AND OTHER PERPLEXITIES
Perceptions and perplexities of the faculty‐librarian partnership: an Australian perspective
The perplexities of conducting randomized, double-blind, placebo-controlled treatment trials in anorexia nervosa patients.
Biological functions and therapeutic use of erythropoiesis‐stimulating agents: perplexities and perspectives