v. 使困惑,使费解,使复杂化
拆分: per-彻底 + -plex-折叠,缠绕 → 彻底缠绕起来 → 使事情复杂,使人困惑不解
例:The murder perplexed the police. 凶杀案使警察困惑不已。
a perplexing problem 令人困惑的问题
They were perplexed by his response. 他的答复令他们困惑不解。