infectivity; infectious capacity; transmissibility
reduction by half; halving
easy; likely to ...; have a tendency to ...; easy to ...
younger brother; little brother; brother-in-law (spouse's younger brother or younger sister's husband); (arch.) pupil; (arch.) apprentice
dramatic decrease; sharp drop; sudden fall
unprecedented; never seen before
kind; sort; species; species
crisis; critical situation; emergency; pinch
visit; call; arrival (e.g. of spring); advent; news; tidings
hair style; coiffure; hairdo
personification; impersonation; embodiment
embodiment; manifestation; materialization; materialisation; expression; indication
to go against; to fight against; to oppose; to resist; to deny
to go out to meet; to receive; to call for; to summon; to accept (e.g. as a member of a group or family); to take (e.g. a wife)
means; way; method; measure
to break; to smash; to defeat; to destroy; to eliminate
king; ruler; tycoon; magnate; king (of the senior player)
to move (to another area, country, etc.); to migrate
scale; scope; plan; structure
war of aggression; war of conquest
sympathy; compassion; pity
space; room; unused land; room (for reconsideration, doubt, etc.); leeway; margin
continuance; survival; persistence; retention; duration
to hang up (e.g. a coat, a picture on the wall); to let hang; to put on (e.g. a blanket); to put on top of; to put on (glasses, etc.); to wear (a necklace, etc.); to make (a call)
exactly; just; right (when); just (as); just (about to); on the point of
cruel; brutal; ruthless; merciless; inhuman
many; much; plenty; hardly
to go to ruin; to go under; to fall; to be destroyed; to die out; to become extinct
earth; ground; the solid earth; the (vast) land
to build; to construct; to erect; to build up (a reputation, position, fortune, etc.); to establish (a relationship, household, tradition, etc.); to lay (a foundation)
race; tribe; species; genus; stellar population (i.e. population I, II and III)
war; fighting; fierce competition
entrance (on the stage); appearance (in a book, film, etc.); appearance (on the scene); arrival (on the market); emergence
for now; for the time being; for the present; though not quite satisfactorily; after a fashion
victory; triumph; win; conquest; success
to be defeated; to be beaten; to be unsuccessful; to lose
to drive away; to turn away; to send away; to repel; to repulse
century; hundred years; (fig.) a long time
to try; to attempt; to have a go (at)
to pass (of time); to elapse