SENTENCE: She soon gave up her job on the assembly line because she was all thumbs.
“Wheels within wheels”
MEANING: complications by unknown or hidden influences
SENTENCE: The manufacturer, the investor and the promoter each has his own objective so there are wheels within wheels in any business.
“Up against the wall”
MEANING: facing failure or defeat without any possible escape
SENTENCE: Airlines have grounded the malfunctioning aircraft whose manufacturer is now up against the wall because of loss of revenue and payment of damages.