is that so? (generally rhetorical)
great; excellent; very troublesome; awful; tiring; tough
severe; harsh; hard; cruel; rigorous
nothing special; no big deal; doesn't matter; nothing to worry about
brave; valiant; gallant; stirring; vigorous; rousing
cool; calm; composed; easy; simple
light; easy; non-serious; minor
mountain road; mountain trail
to work too hard; to try too hard; to strain oneself; to overdo it; to go too far
working in the fields; working on a farm
to be furnished with; to be provided with; to be possessed of; to be endowed with; to be among; to be one of
to change; to be transformed; to move to; to be different; to be uncommon
inclination; slant; slope; bevel; list; dip
mountain trail; path up a mountain
unevenness; roughness; ruggedness; inequality; imbalance; unevenness
route; path; channel (e.g. sales, distribution)
to walk; to go on foot; to tread (a figurative path); to follow; to advance towards (e.g. a solution); to set out (e.g. on the path to destruction, ruin, etc.)
to be (in contrast to something that is not the case)
to compare; to make a comparison; to compete; to vie
to collect; to gather; to save; to accumulate; to pile up
to interrupt; to obstruct (a view, someone's way, etc.); to block (light, wind, etc.); to intercept; to cut off
difficult to ...; hard to ...
mottled pattern; patchy pattern
sunlight filtering through trees
to incline toward; to slant; to lurch; to go down (sun); to wane; to sink
rapidly; vigorously; by leaps and bounds; steadily
conspicuously; noticeably; remarkably; especially; particularly
rope; cord; policeman's rope
suspension bridge; rope bridge
step; stride; counter for steps
mountain stream; mountain torrent
thundering; purring; something large and heavy starting to roll; scattered about; common; idleness; idling about
to roll; to tumble; to fall over; to roll over; to lie down; to be scattered about; to be lying around
limit; limits; degree; extent; the end; the last; as long as ...