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English definition of “straighten up”

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straighten up

phrasal verb with straighten
 
 
/ˈstreɪtən/ verb [I, T]
to stand so that your back is straightSitting and standing
Translations of “straighten up”
in Chinese (Traditional) 姿勢, 挺直身體,直起身…
in Russian выпрямляться…
in Turkish doğrulmak, ayağa kalmak, düz durmak…
in Chinese (Simplified) 姿势, 挺直身体,直起身…
in Polish wyprostować się…
(Definition of straighten up from the Cambridge Learners Dictionary © Cambridge University Press)
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