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crack up
UK
/kræk ʌp/
US
/kræk ʌp/
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AI Expert
Compare the meanings of “crack up” in the examples: laugh uncontrollably or suffer a mental breakdown?
Explain why “crack up” means “laugh” in “I couldn’t help but crack up.”
Compare “crack up,” “break down,” and “burst out laughing.”
Is “crack up” informal? Describe situations where you would or wouldn’t use it.
Check whether “The vase cracked up” sounds natural, and suggest a more idiomatic alternative.
Give five examples of “crack up” with different meanings and translate them.
Write a short dialogue using “crack up” to mean “laugh,” then use it in a sentence with a different meaning.
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