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LampPro Tip 1/2
Physical EffortPlay
Using 'uphill' can imply the physical challenge or difficulty of an action. SlideAfter the long hike uphill, they were exhausted.
LampPro Tip 2/2
Literal SlopePlay
'Uphill' is often used to describe the literal slope of terrain, not a figurative action. SlideThe car struggled as it went uphill.