pattern

知識と理解 - 理解の欠如

理解不足に関する英語のイディオムを探る。例として「泥のように明らか」や「頭か尾を作る」など。

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English idioms related to Knowledge & Understanding
to [use] {one's} [head|noodle|naggin]

to carefully consider the facts of a situation in order to understand something, make a decision, or solve a problem

頭を使う, よく考える

頭を使う, よく考える

Ex: Use your head before you sign anything. 
out of {one's} depth

in a very nervous or frustrating state of mind in face of a problem or situation one knows very little or nothing about

手に余る, 自分の手に負えない

手に余る, 自分の手に負えない

Ex: After the first week in the new role, I felt completely out of my depth. 
your guess is as good as mine

said when one does not have a definite answer to a particular question, similar to the questioner

私にもわからない, こっちも見当がつかない

私にもわからない, こっちも見当がつかない

Ex: When will the power come back? Your guess is as good as mine. 
to [get|have] the wrong end of the stick

to fail to understand or interpret or understand something correctly

勘違いする, 意味を取り違える

勘違いする, 意味を取り違える

Ex: I think you've got the wrong end of the stick; I never said we were cancelling the trip. 
to {not} [know] beans about {sth}

to have no information regarding a particular subject

まったく知らない, 何もわかっていない

まったく知らない, 何もわかっていない

Ex: I don't know beans about cars, so I always ask a mechanic before buying one. 
for the life of {sb}

used when one is incapable of understanding or remembering a particular thing

どうしても, いくら考えても

どうしても, いくら考えても

Ex: I can't for the life of me remember where I put my keys. 
closed book
closed book
[名詞]

someone or something one knows very little or nothing about

まったくわからない存在, 未知の世界

まったくわからない存在, 未知の世界

Ex: Advanced physics is a closed book to me. 
(as|) clear as mud

used to describe something that is complicated due to not being clearly described or shown

さっぱりわからない, まったく明確でない

さっぱりわからない, まったく明確でない

Ex: The instructions were clear as mud, so nobody knew what to do next. 
{not} [know] {one's} ass from {one's} elbow

to be incapable of understanding even the simplest concepts

右も左もわからない, 基本中の基本もわからない

右も左もわからない, 基本中の基本もわからない

Ex: Don't ask him to set up the printer; he doesn't know his ass from his elbow when it comes to computers. 
final frontier

the limits of human knowledge or understanding, representing areas that remain unknown or unexplored

未知への最後のフロンティア, 理解の限界点

未知への最後のフロンティア, 理解の限界点

Ex: For many scientists, consciousness remains the final frontier. 
to [lose] {one's} way

to become confused, mistaken, or emotionally lost

Ex: He lost his way after the business failed. 
in a fog

confused and unable to think clearly

頭がぼんやりしている, 頭が回らない

頭がぼんやりしている, 頭が回らない

Ex: After the long flight, I was in a fog and could barely answer simple questions. 
to [wrap] {one's} [head|mind|brain] around {sth}

to fully understand something difficult, complicated, or strange

理解する, 頭で整理する

理解する, 頭で整理する

Ex: I still can't wrap my head around how quickly everything changed. 
to [make] head or tail (out|) of {sb/sth}

to make an attempt to understand someone or something that is puzzling

訳が分かる, 話の筋が見える

訳が分かる, 話の筋が見える

Ex: I read the report twice, but I still couldn't make head or tail of it. 
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