英 [pəˈpleksəti] 美 [pərˈpleksəti]
n. 困惑，茫然；令人困惑的情形，令人费解的事物
复数perplexities
perplexity /pəˈplɛksɪtɪ/
不可数名词 Perplexity is a feeling of being confused and frustrated because you do not understand something. 困惑; 迷惘
He began counting them and then, with growing perplexity, counted them a second time.
他开始数，然后更加困惑地数第二遍。
可数名词 The perplexities of something are those things about it that are difficult to understand because they are complicated. 疑难问题
...the perplexities of quantum mechanics.
...量子力学难题。
trouble or confusion resulting from complexity
困惑-引用次数：90
Bellow’s protagonists spare no efforts in eliminating Existential perplexity and seeking the truth of authentic existence.
贝娄的主人公不遗余力地去消解存在的困惑,并寻求关于真实存在的真理。
迷惘-引用次数：31
The works truly reflect the life and thought, the perplexity and pursuit, the plentiful inner world about Irish-American.
他的作品真实地反映了十九、二十世纪爱尔兰移民的生活与思想，迷惘与追求，反映了他们丰富的内心世界。
困惑-引用次数：31
Because our country current criminal law to impurity positive negative crime haven’t yet made explicit provision, in the judicatory the fulfillment, around this kind crime creation many perplexity.
由于我国现行刑法对不纯正不作为犯罪尚未作出明确规定,在司法实践中,围绕此类犯罪产生了诸多困惑。
... Puzzle难题，谜，强调由于难以理解或解决某事而引起的迷惑； Perplexity困惑，令人困惑的事情；强调由疑问为而引起的困惑； Dilemma困境，左右为难；in a dilemma是固定搭配，“处于两难的境地”； ...
...：基于类的统计语言模型是解决统计模型数据稀疏问题的重要方法。传统的统计方法基于贪婪原则,常以语料的似然函数或困惑度(perplexity)作为评价标准。这种传统的聚类方法的主要缺点是聚类速度慢,初值对结果影响大,易陷入局部最优。
...反之，相对熵越小，两个函数差异越小。 对于概率分布或者概率密度函数，如果取值均大于零，相对熵可以度量两个随机分布的差异性。 语言模型复杂度（Perplexity）：在给定上下文的条件上，句子中每个位置平均可以选择的单词数量。复杂度越小，每个位置的词就越确定，模型越好。
... perplexing错综复杂的 perplexity困惑；纷乱；纠缠 perry牵伸区；后综到后梁的距离 ...
perplexing 复杂的，令人费解的；令人困惑的
perplexed 困惑的；不知所措的
perplexedly 为难地；困窘地
perplex 使困惑，使为难；使复杂化
困惑；混乱
chaos / confusion / disorder / involvement / mix
He began counting them and then, with growing perplexity, counted them a second time.
他开始数，然后更加困惑地数第二遍。
The little King observed his perplexity, and dissipated it with a word.
小国王看出了他的困惑，用一句话把它消解了。
Most of them just stared at her in perplexity.
他们多数人茫然地凝视着她。
The professor foresees some perplexity on the French side as this new truth sinks in.
This is a story of class warfare set amid semi-rural poverty, heroin addiction, and teen-age perplexity and sexuality.
His black-ringed eyes and black-lined eyebrows registered sadness, wonder, perplexity and terror.