observation; survey; measurement; opinion; prediction; thinking
start; commencement; beginning; initiation
going side-by-side; going abreast; running concurrently; occurring at the same time; keeping pace with
movement; move; motion; trend; development; change
dull (e.g. a knife); blunt; thickheaded; obtuse; dull (sound, color, etc.); dim (light)
perfunctory; cursory; passing; chance (e.g. customer); transient; stray
without; unacceptable; not alright; unsatisfactory
to return (something); to restore; to turn over; to turn upside down; to pay back; to retaliate; to respond (with)
radio wave; reception; signal; saying strange things
equipment; device; installation; stage setting
zero; 0; nought; nothing; zilch
to make war (on); to wage war (against); to compete (against); to struggle (against adversities, etc.); to fight
to make a mistake (in); to commit an error (e.g. in calculation); to confuse; to mistake something for something else
to pile up; to heap up; to stack up; to repeat many times over; to go through repeatedly; to accumulate
to call out to; to hail; to address; to appeal
to cut; to cut through; to sever (connections, ties); to turn off (e.g. the light); to terminate (e.g. a conversation); to hang up (the phone); to punch (a ticket)
distinction; difference; separate; different; exception; exclusion
connection; attachment; changing trains; conjunction
itself; one's own body; oneself; originally; naturally
to drop; to lose; to clean off (dirt, makeup, paint, etc.); to remove (e.g. stains or facial hair); to lose (a match); to reject (an applicant); to lower (e.g. shoulders or voice)
already; now; no longer; not any more
extended-play (record); EP; European plan; European Parliament
commercial (radio, TV, etc.); ad; construction management; contract manufacturer; customer management; court martial
dozens; scores of; decades
kilo-; 1000; kilogram; kilogramme; kilometre; kilometer
site; point on a map; spot
to cross over; to cross; to pass through; to exceed; to surpass; to be more (than)
ten; 10; ten years of age
second (unit of time); arc second
inside; within; while (e.g. one is young); during; among; amongst; in (secret, chaos, poverty, etc.)
to reach; to get to; to arrive at
somehow; for some reason or other
friend; ally; supporter; taking sides with; supporting; standing by
silence; being silent; quiet; reticence; inaction
airborne early-warning system; AWACS
considerably; fairly; quite
big; large; loud; extensive; spacious; important
trace; vestige; mark; sign; evidence