bewilder, puzzle, confuse, embarrass, perplex这一组词都有“迷惑”的意思。

bewilder v.使困惑，使茫然，强调非常困惑，通常表现为心理和智力的紊乱，语气最重。

He was fired without warning and is completely bewildered about the reason.
他没有得到事先警告就被开除了，完全不明白是什么原因。

When the farmers visited the city for the first time, they were bewildered by its complicated traffic system.
当这些农夫们第一次到城里的时候，他们对城市复杂的交通系统感到迷惑不解。

puzzle v.使迷惑，感到不解，强调不理解或解决不了。

Where the sunken treasure is puzzles explorers.
沉没宝藏的下落令探险家们大惑不解。

confuse v.一般用语，使混乱，使糊涂，强调因混淆而使人产生迷乱。

He sent the wrong reports because he confused them with other ones.
他发错了报告，因为他把它们同另外一些报告混淆在一起了。

embarrass v.使窘迫，使为难，使困惑，有令人不快、难为情和内心混乱的意味。

Her boyfriend embarrassed her by teasing her about her new hairstyle in front of others.
她的男友在别人面前嘲笑她的新发型，使她感到难堪。

perplex v.使杂乱，使疑虑，使不安。

The new tax laws perplex me.
新税收法律使我很费解。