tournament; knockout tournament (esp. single-elimination); elimination tournament
official; formal; formula (e.g. mathematical); official (social media) account (of a company, organization, etc.)
example; exercise (for the reader)
law-like nature; regularity
to become serious; to take something seriously (e.g. a joke, teasing); to become irritated or angry (esp. at something trivial); to get worked up
once; one time; one round; one game; one bout; one heat
to be taken for granted; to be generally accepted; to be the established wisdom; to be the (social) convention; to be the customary thing to do
to paint a picture; to draw a picture
eight; eight years of age; two o'clock (old time system)
thickheaded; obstinate; inflexible; stubborn
lower tier; lower step; lower column; low position (of a sword in kendo, etc.)
solid body; three-dimensional object; multi-storey car park
chopsticks; (something) at hand; (in) one's possession; (near) one's hands
opportunity; chance; folding; fold; small food box (wooden or cardboard); folding in ... (two, three, etc.); counter for folded items
valley; ravine; gorge; canyon
right above; just above; directly above; directly overhead
with a flap; with a snap; with a thud; with a crash; with a swish; with a rustle
thickheaded; obstinate; inflexible; stubborn
rock hard; stiff and unyielding (personality); clangor
three flat objects (sheets of paper, pieces of cloth, etc.)
stale; hackneyed; clichéd
to pinch; to hold (between one's fingers); to pick up and eat; to snack on; to pick out (the main point); to summarize
savage; barbarous; barbaric; uncivilized; uncivilised
small change; pocket change; coins; small sum of money
competition; contest; rivalry; competition (between organisms or species)
the number of flat things; win-loss difference which influences the ranking of wrestlers
intellectual power; mental capacity; intellect; intelligence; brains
to bark; to howl; to howl (of the wind); to roar (of the sea); to yell; to shout
not a moment to waste; there is no time to lose; cannot wait any longer
stopper; cork; plug; tap; faucet; stopcock