acquired (e.g. characteristic); learned (e.g. behaviour); a posteriori
magic; witchcraft; sorcery
to cross; to intersect; to associate with; to mingle with; to have a sexual relationship; to copulate
unique; matchless; unparalleled; unparallelled; never again
cave; cavern; den; grotto
eccentric; queer; unconventional; peculiar; bizarre; strange
common; ordinary; conventional; customary
well-informed person; thinking person; intelligent person
by-product; spin-off; outgrowth; side effect
continuous; unbroken; ceaseless
host; landlord; innkeeper
three days and three nights
cannibalism (in animals); feeding on each other; cannibalization; mutually harmful competition; internecine struggle
responsibility; liability; blame; torture; torment
tenacious; persevering; persistent; sticky
to be matched against (in a sports contest)
establishing oneself in life; success in life
to rage; to be fierce; to be excited
fierce tiger; ferocious tiger; Hanshin Tigers (baseball team)
newcomer; neophyte; novice; newbie
combat techniques; combat skills; fighting techniques
visit (to someone affected by illness or misfortune); call; letter of inquiry; letter of sympathy; dealing (a hit); striking (a blow)
a short while ago; just now; already; for a long time
going up in flames; destruction by fire (esp. of a large building); stirring up a storm of criticism online (of an article, tweet, statement, etc.); becoming the target of an Internet pitchfork mob
progressive form; in progress; ongoing; underway
antinomy; self-contradiction; either-or situation; choice between mutually exclusive alternatives
steam; vapour; vapor; steamboat; steam locomotive
disk; discus; flying saucer; disc media (CD, DVD, etc.)
oscillation; vibration; swing (e.g. of a pendulum)
to think too much; to be over-concerned