He managed to keep upright despite the strong winds during the storm.
I always try to keep upright while walking on the uneven trail.
Please keep upright during the performance to avoid blocking anyone's view.
During the performance, dancers must keep upright to maintain their balance.
She balanced the books on her head to keep upright as she walked.
In strong winds, sailors must keep upright the sails on the boat.
Przy silnym wietrze żeglarze muszą utrzymywać żagle w pionie.
She adjusted her posture to keep upright while giving the presentation.
I used a chair to keep upright while painting the ceiling.
Używałem krzesła jako podpory podczas malowania sufitu.
Keep upright the painting to protect it from damage.
He learned to keep upright by engaging his core muscles.
It is vital to keep upright when riding a bicycle to maintain balance.
During the storm, we had to keep upright the porch roof.
I won't be able to keep upright!