Questions about example sentences with, and the definition and usage of "Smart"

A: I don't know the context of this sentence is but it seems to be using "smart" and "low octane" as adjectives describing a person.
Without more context, this is what I would translate this as. It is saying that someone, a person is smart(intelligent) but lacks energy/drive/ambition. Low-octane is a grade/quality of fuel/gasoline. So I would assume that they are describing someone with not much energy or desire to push themselves in their goals. If that is the context, it is quite a funny description, I have never heard it put that way before.

A: His education or career.

A: "You are smarter😎"

A: Being too smart might cause you something negative on your well-being

A: good looking
intelligent

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A: don't be smart..
I'm smart girl..
he is not smart..

A: “he is smart, he got an A on his test”. “Smart people have higher intelligence”. “Being smart is a good thing.” “People who are smart should not brag”.

A: In addition to the most common meaning, to have intelligence (He is one smart kid.), it can also mean being welldressed or having an impressive appearance (You're looking smart in that tux).

A: Are you smart?
I don't think it is a smart idea to walk on coals.
That was the smart choice.
He is smarter than her.
She is the smartest in our year.

A: you could use one in a different way. for instance, a clever person could also be tricky or sneaky, while that is not always true when describing a smart person. a smart person could also be read for someone that is smart in school, while a clever person may not actually be smart. note however, it all depends on the context you choose to use it in because yes, they can still be the same thing.

A: Smart is more related with intelligent and clever with astute

A: Brilliant = very smart; extremely smart.

EDIT: You closed the question, so I can't respond.

I would suggest the following:

1) Always say what you write out loud

2) Try to translate your native sentences into English as much as you can

3) Find someone you can talk in English with. I like the app "HelloTalk"

A: Smart is just intelligent
Wise is about having knowledge that lets you make good judgments.
Clever is about outsmarting. crafty or cunning

A: The child figured out the math problem, so he must be very smart.

The old woman is very wise. She taught my brother the ancient art of calligraphy.

The clever child opened the refrigerator door and stole some ice cream.

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A: great! it was just a trial question, next will be harder, for sure 🤣

A: It is incorrect. You would say "They're neither smart nor creative." You don't need to add "both"

A: neither of them are smart or creative.

Neither implies two options (people) so the 'both' is unnecessary.

A: × Smart phone games played by parents can have a bad influence on children .
✓ Smart phone games played by parents can have a bad influence on children and their behavior.

× Smart phone games can be played much more easily than video games because smart phone is always reachable place and make even grown-ups addictive.
✓ Those games can be easier to get ahold of than video games because smart phones are portable so even grown-ups can get addicted.

× That situation makes parents have less conversation with their children.
✓ The situation would make parents less available for their own children.

× Smart phone is so attractive that parents cannot be aware of the fact that they are ignoring their children when they talk to them.
✓ The parents are becoming more obsessive that their are not aware of their children’s existence.

× As a result, it is possible that children grow without enough confidence of communication ability.
✓ As a result, it is possible that children grow without enough confidence of communication ability, and also the mindset of somebody who thinks that they have authority to do anything because nobody showed them right or wrong.

It was mostly correct it’s just the way or vocabulary you said it in. You can also add about how their child could do something dangerous while they are away playing on their video games. Well done

A: I'm far from smart.
I'm far from being smart.

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