(考え)
アイデア
a suggestion or thought about something that we could do
(ヒント)
手がかり
a piece of evidence that leads someone toward the solution of a crime or problem
N/A
from one's memory, without spending time to carefully consider or think
The idiom "off the top of one's head" originates from the idea that information or ideas are presented without deep thought or prior planning. It is used to describe providing a quick response or answer based on one's immediate knowledge or intuition, rather than relying on research or careful consideration. This phrase emphasizes spontaneity and a lack of formal preparation.
(即興で)
何気なく
without any preparation or prior thought
文法情報:
(〜を聞いたことがある)
〜について知る
to know about somebody or something because one has received information or news about them
文法情報:
![to [know] {sth} like the back of {one's} hand](https://cdn.langeek.co/photo/44754/original/?type=jpeg)
N/A
to be well-informed about or completely familiar with something
The idiom "know something like the back of one's hand" suggests that someone is intimately familiar with a subject or topic, just as they are with the physical features of their own hand. It implies a deep and thorough knowledge of the subject. This expression is used to emphasize how well someone knows or understands something, indicating a high level of familiarity and expertise.
(自信のある)
確かな
(of a person) feeling confident about something being correct or true
(自信がある)
確信している
(of a person) having no doubt about something
N/A
by relying only on one's memory
N/A
to have very good knowledge or understanding about someone or something
The idiom "know someone or something inside out" suggests an in-depth understanding or familiarity with a person, object, or subject. It implies knowing every detail, characteristic, or aspect thoroughly, as if one has explored its inner workings. This expression is used to emphasize a high level of knowledge, expertise, or familiarity with someone or something. It signifies that the individual has a comprehensive understanding, leaving no hidden aspects or mysteries.
N/A
to a degree that is very little and close to nothing
(微かな)
かすかな
difficult to see, hear, smell, etc.
(確実な)
確信している
feeling completely sure about something and showing that you believe it
おめでとうございます！ !
13 から Total English Advanced - Unit 1 - Lesson 2 語を学びました。学習と語彙の復習を改善するために、練習を始めましょう！
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