​idiom /ˈɪdɪəm/ or phraseologisms are stable expressions or a turn of speech that loses its meaning when translated verbatim |vɜːˈbeɪtɪm|

​What is it?

​Idioms about thinking

​To draw a blank - to not be able to remember something.

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To put one’s thinking cap on - mean to think very seriously or very hard about something.

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To figure something out - to discover something or resolve a problem.

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To rack one’s brain - to think long and hard about something.​

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​To daydream - to fantasize instead of paying attention to one’s surroundings.

​Education idioms about people

​A teacher’s pet is a student who is clearly the favorite of the teacher and often receives special treatment.

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​​A bookworm is a person who loves to read.

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​A class clown is a disruptive student who often makes jokes instead of paying attention and doing their work.

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​Idioms about tests, grades, and evaluation

​To pass with flying colors means to easily accomplish something. We often use this expression to talk about tests or exams.

​To breezesail through something means to easily succeed at something.

​To ace a test means to get an “A” or a very  high grade.

​A cheat sheet is a piece of paper with answers written on it that student use to cheat on a test.

​To bomb a test means to get a terrible grade on a test.

​To play hooky is an informal expression which means to miss school or work without having a valid reason or excuse.