unusual event; strange occurrence; strange phenomenon; something abnormal; change (for the worse); accident
as one would expect; naturally; indeed; still; all the same; after all
moving slowly (and dull-wittedly)
source of river; fountainhead
the north; northward; northern direction; northern part (e.g. of a country); northern district
(many) mountains; very much (wanting to do something one cannot); greatly; so many; a lot of
to flow into; to pour into; to stream into
to branch; to fork; to separate; to split; to disperse; to scatter
abundant; plentiful; rich; ample
watering hole; watering place
to set one's hand to; to start work on; to embezzle; to use (money obtained in illegal fashion); to have sexual relations; to have an affair
certainly; surely; definitely
development; cultivation; application; exploitation (of resources)
to advance (spatially); to go forward; to precede; to go ahead (of); to make progress; to move ahead (e.g. of work); to intensify
accurate; correct; precise; exact
riddle; puzzle; enigma; enigmatic; mysterious
reverse; opposite; converse (of a hypothesis, etc.); inverse (function)
home area; home town; local
spot; dot; place; location; (airport) apron; spot advertisement; spot advertising
polite; courteous; civil; careful; close; thorough
upper stream; upper course; upstream; upper classes
dam; weir; barrier; sluice
quantity or volume of water
small; fine; detailed; stingy
to swell; to rise; to bulge; to rouse; to get excited
it is no exaggeration to say; it is not too much to say
to untie; to unfasten; to unsew; to unstitch; to solve; to work out; to dispel (misunderstanding, etc.)
offender; criminal; culprit
local; localized; partial; topical (application)
immediately; at once; soon; before long; easily; readily
before one's eyes; in front of one; under one's nose; immediate; imminent; around the corner
to wet; to moisten; to dampen; to soak; to dip
affection (esp. parental); love; fondness
to be transparent; to be see-through; to be clear; to be clear (of a voice or sound)
light blue; pale blue; aqua
previously; already; for some time; for quite a while
stout; corpulent; plump; voluptuous