how long; how much; to what extent
staying in the air; remaining airborne
white hair; grey hair; gray hair
adviser; advisor; consultant
to perceive; to sense; to understand; to comprehend; to attain enlightenment
power; motive power; dynamic force; three-phase electricity
electrically powered; electric
use; application; employment; utilization; utilisation
battery; battery; pitcher and catcher
with; by; because of; on account of; on (a day, date); at (a time); adds emphasis to preceding word
inhalation (of air); inhaled air; intake (e.g. of air)
popular use; circulation; to pass as; to pass for
shallow; superficial; thoughtless; short-sighted; foolish; silly
rotary wing (aircraft); rotor
how; in what way; how (much); to what extent; however (much); no matter how
seeing for the first time; first sight; first meeting; sight-reading
reckless; thoughtless; rash; ill-advised; impulsive; mad (e.g. scheme)
change; alteration; substitute; rate of exchange
even if; even though; even; too; whether ... or ...; no matter (what, where, who, etc.)
how; in what way; by what means
until something reaches the very limit; until the very last minute; up to the breaking point
aerial refueling; in-flight refueling
aerial tanker; refueling aircraft
honour; honor; dignity; prestige; reputation; appearances
prostrating oneself; kowtowing; going down on one's knees
to be moderate in; to be temperate in; to refrain (from doing); to withhold (an announcement, comment, etc.); to be beside; to be close by
seat; location (of a gathering, etc.); place; position; post
to raise one's hand; to surrender; to raise one's hand to someone (as a threat to strike); to become better (at something); to improve; to throw one's hat in the ring
a short while ago; already
sluice gate; water gate; flood gate
national ownership; state ownership; government ownership
principle; aim; purport; gist; instructions; orders
notification; official notice; directive (e.g. from higher to lower levels of the administration); being well versed (in); being proficient (in)