(as) straight as a ramrod

US /əz ˈstreɪt əz ə ˈræm.rɑːd/
UK /əz ˈstreɪt əz ə ˈræm.rɑːd/
"(as) straight as a ramrod" picture
1.

tieso como un palo, muy recto

very straight, especially with reference to a person's posture

:
He stood as straight as a ramrod, looking at the general.
Se mantuvo tieso como un palo, mirando al general.
Her back was as straight as a ramrod, even after hours of sitting.
Su espalda estaba tiesa como un palo, incluso después de horas sentada.