1. a way or method of doing something that is confusing, bewildering, or difficult to understand
He explained the complex theory in a perplexing manner that left everyone confused.
Ele explicou a teoria complexa de uma maneira perplexa que deixou todos confusos.
2. a style or mode of behavior or presentation that causes uncertainty or puzzlement
She responded in a perplexing manner, neither agreeing nor disagreeing.
Ela respondeu de uma maneira perplexa, nem concordando nem discordando.