hypothesis; supposition; assumption; tentative theory
elucidation; explication; explaining; unravelling; clarification; understanding
area of expertise; (one's) field; (one's) line
growing en masse in one location (of plants); living gregariously (of animals); living in flocks, herds, colonies, etc.; all living creatures
(piece of) rope; ordinary method
to make a mistake (in); to commit an error; to be wrong; to be incorrect; to mislead; to misguide
rustling of leaves; rustling of grass
to wither (of flowers, dreams, etc.); to wilt; to droop; to shrivel; to fade (away); to sag
to burrow through; to dig through
vivid; bright; brilliant; skillful; skilful; adroit
to pick up; to pick out (e.g. key points in an article); to single out; to point out
pointed end; tip; point; forefront; vanguard; spearhead
sharp (blade, image, mind, etc.); sharp; number sign; hash sign; mechanical pencil
different suitabilities; being cut out for certain things (and not for others)
as long as time allows; whenever one has the time; as time permits
shade; tone; tinge; hue; colour; color
to dig up; to turn up; to tear up; to rake up (e.g. old scandal); to dig over
notches; serration; indentation; notched; serrated; jagged
very good luck; excellent fortune
reconciliation; making up (with); making peace (with); being friends again; patching up a quarrel
trivial matter; trifling thing; something ordinary
how many? (large animals)
in (of a ball; in tennis, etc.); inside the line; in; inside; enter here; enter; back nine
to induce sleep; to cause drowsiness
trader; dealer; businessperson; fellow trader; people in the same trade
guard; protector; defensive armament; personal armor (armour)
evening glow; red sunset; afterglow (of sunset)
emptiness; being empty; not carrying anything; unburdened; dishonoured (bill, promise, etc.); false
purchase; buying; buying used articles as a company; trade-in; purchase on a no-return policy; lump-sum payment
study; library; den; home office; reading room
ferry (crossing); ferry(boat); delivery
confusion; dismay; consternation; panic
charge; custody; safekeeping; deposit; storage
beginning; start; outset; at first; at the beginning; initially
to publish a book; to put out a book
awareness; realization; noticing
tough (world); hard (times); cold; stingy; miserly; mercenary
original story (as opposed to a sequel, spin-off, etc.); main story; this volume; the movie (as opposed to the trailers; at a movie theater); feature film (main item in a cinema program); movie based on a TV series
second part (of three); second volume; middle part; novella; short novel
service station; gas station; shortstop; sporty sedan; steamship; SS; Secret Service (US)
appearance (in a film, play, TV show, etc.); performance
to take a breather; to take a break