This is lesson 10 from Idiom Part 4. Each idiom is followed by its definition and examples. After you learn them, you can use them in your daily conversation.
Previous English Idiom Lesson
In our previous English idiom lesson, we cover below:
English Idiom Part 4- Lesson 10- Idioms about Knowing
1- I don’t know about you, but = Used to express your opinion or feeling while acknowledging that others may feel differently.
I don’t know about you, but I’m ready to go home now.
2- I know her by sight = You recognize someone’s face but don’t know them personally.
I know her by sight, but we’ve never actually spoken.
3- Not that I know of = As far as I am aware, no.
“Is he married?”. “Not that I know of.”
4- (She does not) know the meaning of the word = (She has no) understanding of or behaves in complete contrast to a quality or idea.
She does not know the meaning of the word ‘fear’, she’s incredibly brave.
5- I don’t know whether I’m coming or going = Feeling very confused or disoriented.
With so much work and so little time, I don’t know whether I’m coming or going.
6- You know best = Used (sometimes sarcastically) to refer to someone’s judgment or decision.
If you think skipping the meeting is a good idea, then you know best.
7- I know it like the back of my hand = To know something very well.
Don’t worry, I’ll get us there, I know this city like the back of my hand.
8- I do not know the first thing about it/them = To have no knowledge or understanding of something.
I do not know the first thing about repairing cars.
9- You never know = Anything is possible; something unexpected might happen.
You never know, you might win the contest!
10- Know it inside-out = Extremely familiar with something.
She’s lived there her whole life, so she knows it inside-out.
11- Know a thing or two about (something)= To have some knowledge or experience with a subject.
I used to work in a garage, so I know a thing or two about cars.
12- Know what’s what = To understand what is important or how things really work.
Don’t underestimate him, he knows what’s what in this business.
13- An unknown quantity = Someone or something whose abilities or qualities are not yet known.
The new player is an unknown quantity, so we’ll see how he performs.
Next English Idiom Lesson
In our next English idiom lesson, we cover below:
Related Idioms
Here is the list of idioms related to this lesson.
Idiom Part 4 Outline
If you wish to explore all lessons that are covered in HiCafe Idiom Part 4, you can visit the Essential and Popular English idioms- Part 4 page.
English Fluency Resources
If you like to read all of lessons related to English expressions, phrases, idioms, proverbs, slang and words, you can visit our Improve English Fluency page.
