straighten up

phrasal verb

Definition of straighten up

1 : to make (something) organized or tidy : to put (something) in order They straightened up the house after the party.
2 : to move the body to an upright position Straighten up. There's no excuse for slouching.
3 US : to improve in behavior You need to straighten up, young man.

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Nglish: Translation of straighten up for Spanish Speakers

Britannica English: Translation of straighten up for Arabic Speakers

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to gather or build up little by little

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