main cause; primary factor
switching on and off (of a light); flashing; blinking; flickering
deputy head; deputy director; vice chief (of something); executive officer (navy)
speciality; specialty; subject of study; expert; area of expertise
action; movements; motions; bearing; behaviour; behavior
hard to believe; fabulous; unbelievable; incredible
on one's face; one's face; (arch.) meeting face-to-face; (arch.) seeing in person
to cut into (a line, conversation, etc.); to force oneself into (e.g. a crowd); to wedge oneself into; to fall below (of stock prices, sales, etc.); to drop below
local (rain, distribution, outbreak, etc.); localized; regional; isolated
artificial; man-made; human work; human skill; artificiality
receiving; reception; eating; drinking; please; please do for me
to plunder; to grab; to snatch
hey!; wait a minute!; whoa!; boohoo; waaaa
swing; shake; appearance; behaviour; pretence (pretense); show; going to restaurant, hotel etc. without a reservation or introduction
abruptly; suddenly; all of a sudden; without warning
combat readiness; battle readiness; fighting trim
to ram one's opponent head-first in the initial charge; to punch hard; to hit hard
bad; wrong; evil; no good; wicked; reprehensible
to scheme; to plan; to play a trick; to invent; to conspire; to frame up
bad guy; villain; evildoer; scoundrel
model (e.g. of a vehicle); type
big leakage; uncontained leak
top and bottom; high and low; going up and down; rising and falling; going and coming back; upper and lower classes
both extremities; North and South Poles; positive and negative poles
with all one's strength; with all one's might
overbearing; coercive; pushy; forcible; high-handed
stone (of a fruit); pit; core (of an organization, team, etc.); nucleus; nuclear weapons; nucleus (of an atom); nucleus (of a cell)
collapse; crumbling; breaking down; (radioactive) decay; disintegration
to operate (e.g. a machine); to handle; to have a good command of (a language); to play proficiently (of a musical instrument); to work (a puppet); to pull the strings of a puppet
as usual; as always; as before; as ever; still
calm; serenity; tranquillity; tranquility
sky; the skies; high-altitude sky; upper air
to cure; to heal; to fix; to correct; to do over again; to replace
called; named; as many as; as much as; all ...; every single ...
control (of a machine, device, etc.); control (over an opponent, one's emotions, etc.); governing; management
which way; which direction; which one (esp. of two alternatives); who
pole; climax; extreme; extremity
center; centre; middle; -centered; -centred; -focused