booby trap explosive; booby trap bomb
damp; moist (negative nuance)
aperture; bore; calibre; caliber
to investigate thoroughly; to examine closely; to probe into; to be obsessed with a thought; to brood over; to worry about
route; road; distance travelled in a day; one's ... (age, e.g. 40s, 60s)
multinational; transnational
United Nations Security Council
resolution; vote; decision
mishmash; miscellany; medley; jumble; mixture; odds and ends
to beat down prices; to strike a hard bargain
(terrorist) suicide bombing
rolling stock; railroad cars; wheeled vehicles
distance between two cars
just this side of; one step short of; on the brink
moustache; beard; whiskers (on a cat, etc.); feelers (on an insect, etc.); shadow (on a candlestick chart)
sunburn; suntan; tan; becoming discolored from the sun (e.g. paper); yellowing
hopelessly inaccurate; not even remotely close; can't hit the side of a barn
to be muddy; to be slushy
fire chief's car; command vehicle
six; six years of age; six o'clock (old time system)
one by one; one each; one at a time
to fall flat; to collapse in a heap
to take off one's hat to a person; to acknowledge another's superiority
settlement out of court; private settlement
something wrong; accident; change; abnormality; aberration
to spread (e.g. a rumor); to circulate; to disseminate
imbalance; lack of balance; lopsidedness; disproportion; inequality; disparity
disharmony; discord; dissonance; incongruity
plain; unaffected; natural; unpretentious; frank; candid
explosive increase (in number of pests); (severe) outbreak or upsurge of pests
introduced species; non-native species; alien species
objectivity; objective; object (philosophical)
extremely important; essential; vital; crucial
3000; three thousand; many
non-governmental organization; non-governmental organisation; NGO