1
it is illogical to do sth
It is illogical to blame someone without evidence.
没有证据就指责别人是不合逻辑的。
不合逻辑的；不合理的
先理解核心含义，再看它在真实句子里的用法。
不合逻辑的；不合理的
Contrary to logic; lacking sense or sound reasoning.
It is illogical to blame someone without evidence.
没有证据就指责别人是不合逻辑的。
违背逻辑的；缺乏意义或正确推理的。
Contrary to logic; lacking sense or sound reasoning.
不合逻辑的
lacking in correct logical relation
不连贯的
lacking orderly continuity
It is illogical to blame someone for something they didn't do.
责备某人做他们没有做过的事情是不合逻辑的。
Her fear of spiders is illogical since she has never been bitten.
她对蜘蛛的恐惧是不合逻辑的，因为她从未被咬过。
The argument that all rich people are lazy is completely illogical.
所有富人都懒惰的论点完全不合逻辑。
It is illogical to blame someone without evidence.
没有证据就指责别人是不合逻辑的。
I find his argument completely illogical.
我觉得他的论点完全不合逻辑。
It seems illogical that she would refuse such a good offer.
她拒绝这么好的提议似乎不合逻辑。
Not this
He explained the reason illogical.
Use this
He explained the reason illogically.
形容词illogical不能修饰动词explained，需用副词illogically。汉语中形容词可直接作状语，但英语必须加-ly。
Not this
The argument is unlogical.
Use this
The argument is illogical.
标准英语中否定前缀用il-而非un-，illogical是正确形式。学习者可能受un-常见前缀影响而误用。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
不合逻辑的结论
The detective reached an illogical conclusion from the evidence.
这位侦探从证据中得出了一个不合逻辑的结论。
不合理的推理
His illogical reasoning led everyone to doubt his argument.
他不合理的推理使大家怀疑他的论点。
不合逻辑的行为
Her illogical behavior confused her friends.
她不合逻辑的行为让朋友们感到困惑。
不合理的决定
It was an illogical decision to spend all the money at once.
一下子花光所有钱是不合理的决定。
不合逻辑的论点
The debate was weakened by several illogical arguments.
这场辩论因几个不合逻辑的论点而削弱了。
那会不合逻辑，船长。
When Kirk proposes a risky plan, Spock often replies, "That would be illogical, Captain."
当柯克提出冒险计划时，斯波克常回答：‘那会不合逻辑，船长。’
Use illogical naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
记忆联想：把 illogical 看成 il + logical，'il' 暗示否定，像 illegal 里的 il，所以就是'不合逻辑'。
语域：neutral 常见场景：日常评论、学术讨论、写作分析 该词通常指“不合逻辑、缺乏合理依据”，多用于评价论证、决定或行为，正式和日常场合都比较常见；语气偏批评。
与 illogical 真正押韵的是以 /ˈlɑdʒɪkəl/ 结尾的词：logical、biological、psychological、technological。illegal（/ɪˈliːɡəl/）和 illiterate（/ɪˈlɪtərət/）虽以 il- 开头，拼写相似，但读音与 illogical 不同。
Dictionary facts from ECDICT, WIKTIONARY.