have to (do, be); must (do, be); is indispensable; is absolutely necessary
training; drill; practice; discipline
to put; to place; to leave (behind); to establish (an organization, a facility, a position, etc.); to set up; to appoint (someone to a certain position); to hire
circumstances; condition; arranging; managing; lending money; raising money
to be able to do; to be possible; to be good at; to do well; to come into existence; to form; to be made
possible; conceivable; likely; probable
regarding ...; concerning ...; about ...; on ...; with respect to ...; in regard to ...
everything; all; the whole; entirely; completely; wholly
control (of a machine, device, etc.); control (over an opponent, one's emotions, etc.); governing; management
something; some; somehow; for some reason; (so) what (are you trying to say)?; what (do you mean)?
case; occasion; situation; circumstances
to move; to shift; to inspire; to rouse; to change; to alter; to operate
to think (about, of); to think over; to consider; to bear in mind; to think (that); to believe; to intend (to do)
consideration; taking into account
purpose; goal; aim; objective; intention; motive
spare time; free time; time (it takes to do something); time required; time off; leave; dismissal
proficiency; mastery; competence; becoming proficient (in)
crystal; crystallization; crystallisation; fruits (of labor, union, etc.)
you can never be too careful; you can't be too cautious; better safe than sorry
to lick; to lap; to taste; to experience (esp. a hardship); to underestimate; to make light of
assimilation; absorption; adaptation; assimilation; anabolism; assimilation (phonology)
absorption; suction; attraction
soon; shortly; nearly; almost
very; considerably; by no means; not readily; middle; half-way point
trouble; burden; nuisance; care; dependence; support
breeding; propagation; reproduction; multiplication; increase
speed; velocity; pace; velocity
aggressiveness; aggression
the whole world; the whole country; society; the public; supremacy over a nation; government of a country; having one's own way
to not know what to do with; to be at a loss with; to have difficulty with; to be put out
group; crowd; flock; herd; bevy; school
to tear; to rip; to break through (cordon, opponent's defense, etc.); to breach; to defeat; to beat; to break (e.g. silence)
armoring; armouring; armor; armour
to bite into (e.g. rope into skin); to cut into; to eat into; to encroach; to be wedged (i.e. underwear pulled from the back, driving it between the buttocks)
degree (angle, temperature, scale, etc.); counter for occurrences; strength (of glasses); glasses prescription; alcohol content (percentage); alcohol by volume; extent
to jump up; to spring up; to jump (market, price, etc.); to rise sharply; to act rashly; to jump the gun
frightening; scary; (arch.) extreme; (arch.) exaggerated; (arch.) huge
worry; concern; anxiety; care; help; aid
to be needed; to be necessary; to be required; to be wanted; to need; to want