似是而非的英文：
[Literal Meaning]
as if/right/but/wrong
to be apparently true but really wrong

[解释]
似：像；是：对；非：不对。好像是对的，实际上不对。

[Explanation]
specious

[例子]
你的回答似是而非，再认真看一看教授的讲义吧。

[Example]
Your answer is specious and please read the professor's slides thoroughly.

[英文等价词]
to ring false
appeared right but actually was wrong

It appears right but really wrong
似是而非

Specious logic
似是而非的道理

a specious argument.
似是而非的论点

specious reasoning
似是而非的推理

sophistic refutations.
似是而非的驳斥

A deliberately paradoxical figure of speech.
故意似是而非的比喻。

Such talk is actually specious and groundless
这些话实际上毫无根据,似是而非的。

Given to or characterized by disputatious,often specious argument.
有关争论的常指同似是而非论点有关的

Every position has been successfully undermined and abandoned on specious and plausible excuses
我提出的每一个立场都被他们成功地以似是而非的借口破坏和推翻。

Appear what it is really not;specious(reasoning)
似是而非