What does "straighten up" mean?

To tidy or stand up straight To organize or correct posture.

How do you use "straighten up" in a sentence?

Straighten up the living room. Straighten up! Don't slouch. She straightened up the papers.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Meaning: To tidy or stand up straight

整理、站直

Ordenar, enderezarse

整える、姿勢を正す

정리하다, 자세를 바로 하다

To organize or correct posture.

整理或纠正姿势。

Organizar o corregir la postura.

整理整頓する、または姿勢を正すこと。

정돈하거나 자세를 바르게 하다.

Base verb: straighten

Particle: up

Separable: Yes — the object can go between the verb and particle

Straighten up the living room.
把客厅整理一下
Ordena el salón
リビングを整えて
거실을 정리해
Straighten up! Don't slouch.
站直！别驼背
¡Ponte derecho! No te encorves
姿勢を正して！猫背にならないで
자세를 바로 해! 구부정하게 있지 마
She straightened up the papers.
她整理了文件
Ella ordenó los papeles
彼女は書類を整えた
그녀는 서류를 정리했다

Context: tidying, posture, organizing

Tone: commanding

From making straight.

Era: Modern

Generation: All ages

Social background: Universal