reproductive organ; reproductive system
to use properly; to use (different things) for different purposes
division of labor; division of labour; specialization; specialisation; assembly-line production
separate; respective; different
to add (numbers); to add (something); to top up (with something); to take care of (e.g. one's business)
after all; because; but; even; too; as well
extreme; terrible; absurd; unreasonable; fool; idiot
I don't know for certain, but ...; I don't know if that's the reason, but ...
dead center; (right in the) middle; midst; midst (e.g. of a storm); heyday; (the) height (e.g. of a debate)
to telephone; to make a phone call
gem; jewel; precious stone
lifespan; life; lifetime; life (of a battery, lightbulb, etc.); service life; end of an object's (useful) life
to breathe in; to inhale; to suck; to sip; to absorb; to soak up
to abate; to decrease; to diminish; to shorten
railway crossing; railroad crossing; starting line; scratch; determination; stepping over the edge of the ring
steam locomotive; steam train; (long-distance) train; non-electric train; diesel train
castle (in place names); castle; fortress
sigh (of grief, disappointment, etc.); grieving; lamenting; deploring
king; ruler; tycoon; magnate; king (of the senior player)
to curse; to cast a spell; to haunt; to cause a bad result; to bring about a negative outcome
tobacco; cigarette; cigar; tobacco plant (Nicotiana tabacum)
one's later years; final years (in life)
mysterious phenomenon; weird phenomenon; paranormal phenomenon
the other world; the next world; the world beyond; world after death
sound wave; acoustic wave
to address (someone); to accost a person; to talk (to someone); to begin to talk; to start a conversation
end; close; finish; termination