perplexity

n.(正式用语)困惑，窘困，令人困惑的事或物

perniciousness, pernickety, peroration, peroxide, perpendicular, perpendicularity, perpendicularly, perpetrate, perpetration, perpetrator, perpetual, perpetual motion, perpetually, perpetuate, perpetuation, perpetuity, perplex, perplexed, perplexedly, perplexing, perquisite, perry, pers, persecute, persecution, persecutor, perseptive, perseverance, persevere, persevering, perseveringly, Persia, Persian, Persian carpet (also Persian rug), Persian cat (also Persian), Persian lamb, persiflage, persimmon, persist, persist in,