Knowledge & Understanding - Knowledge

Discover how English idioms like "back to front" and "the ins and outs of" relate to knowledge in English.

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on a need-to-know basis [phrase]

used to refer to the practice of providing information only to those who absolutely require that specific information to perform their tasks or duties effectively

Ex: Our company 's financials are confidential , and access is restricted to those on a need-to-know basis .

back to front [phrase]

used to indicate one's complete knowledge or understanding of something

Ex: She 's an expert in astrophysics and can explain the universe 's mysteries back to front .

to [know] {sth} like the back of {one's} hand [phrase]

to be well-informed about or completely familiar with something

Ex: She 's been studying French for years , so she knows the language like the back of her hand .

to [know] {sb/sth} inside out [phrase]

to have very good knowledge or understanding about someone or something

Ex:

to [have] {sth} at {one's} fingertips [phrase]

to have easy, immediate access to something, often information or resources

Ex: Once I had memorized all 50 states and their capitals , I 'd had that information at my fingertips throughout childhood .

to [have|know] {sth} down pat [phrase]

to know something so perfectly that one can do it at anytime without having to focus or think

Ex: The chef has the recipe down pat , and the dish always tastes amazing .

up to speed [phrase]

in a state of being informed and knowledgeable about a particular topic or situation

Ex: He quickly got up to speed with the project 's requirements and contributed effectively .

the ins and outs of {sth} [phrase]

a complete set of facts or details about how something is done or how it works

Ex: Before starting the project , we need to understand the ins and outs of the industry .

to [stand] on the shoulders of giants [phrase]

to take advantage of the understanding and discoveries of influential figures who have been through the same or similar intellectual progress

Ex: In the world of technology , every new innovation stands on the shoulders of giants in the field .

a thing or two [phrase]

some pieces of information or knowledge that may be useful or relevant at a later time

Ex: Do n't underestimate him ; he may look young , but he 's picked up a thing or two about negotiation .

to [know] the score [phrase]

to be well-informed about a particular situation, to the point where one is able to determine the outcome

Ex: Do n't try to deceive him ; he 's a seasoned detective and knows the score when it comes to solving crimes .

street smarts [noun]

the knowledge or experience that is crucial for one to survive or succeed in urban environments

Ex: Street smarts often come from life experiences and learning from mistakes .

Knowledge & Understanding
Knowledge	Logic & Wisdom	Awareness or Unawareness	News & Information
Ignorance	Understanding	Lack of Understanding	Absence of Comprehension
Realization	Remembering	Forgetting	Expertise
Inexpertness