令人费解的的英文：
confusing
perplexing

参考例句：

Impenetrable jargon
令人费解的行话

The inexplicable disappearance of the woman worried everyone.
这个女人的失踪令人费解，使大家十分担忧。

It's as vexing as the riddle of the sphinx
这个问题和古埃及司芬克思的谜语一样令人费解。

subtle smiles resulting from subjectively humorous experiences unguessed by the world at large (bJosephine Dodge Bacon).
来自于个人幽默的经验所发出的微笑，上的不为世人所能想象的到的令人费解的微笑（b约瑟芬·道奇·培根）。

Filled with confusion or bewilderment; puzzled.
困惑的，费解的充满困惑或昏乱的;令人费解的

She grunted some incomprehensible reply.
她咕噜着回答了些令人费解的话.

Her sudden and inexplicable loss of weight alarmed her doctor.
她的体重突然令人费解的减轻吓坏了她的医生。

The inexplicable disappearance of some nonlocal seasonal women worders worried everyone.
＂有几个外来女临时工失踪了，令人费解，使大家十分担忧。＂

subtle smiles resulting from subjectively humorous experiences unguessed by the world at large(Josephine Dodge Bacon)
来自于个人幽默的经验所发出的微笑，上的不为世人所能想象的到的令人费解的微笑(约瑟芬·道奇·培根)

confusing是什么意思：
adj. 莫名其妙的，难以理解的
v. [confuse] 的现在分词；使混乱，使困惑

To baffle or confuse.
使困惑或迷惑

To throw into a state of confusion.
扰乱，使困惑陷入混乱的状态

To cause confusion in;muddle.
使困惑在…方面引起混乱；使混乱

We tried to confuse the enemy.
我们试图迷惑敌人。

A state of perplexity,confusion,or bewilderment.
迷惑困惑、迷惑或糊涂的状态

perplexing是什么意思：
v. 使困惑，使混乱；使复杂化

I have no wish to perplex the issue.
我不想使问题复杂化。

A state of perplexity,confusion,or bewilderment.
迷惑困惑、迷惑或糊涂的状态

The problems it created were very perplexing.
它所造成的问题是十分复杂的。

And this gets to the core Obama foreign-policy perplexity.
这便是奥巴马外交政策使人感到困惑的根本原因。

After a moment of perplexity, though, Hamilton starts to laugh.
在困惑了片刻之后，汉密尔顿露出了笑容。 “欧，既然如此这样那么！”