small mercy (from some misfortune); silver lining of a dark cloud; consolation in sadness; blessing in disguise
(Oh) dear!; (Oh) dear me!; Good gracious
to be dispirited; to be dejected; to be disheartened; to lose heart
meeting; greeting; welcome; person sent to meet a visitor
remaining quantity; residual quantity
plastic bottle (made of polyethylene terephthalate); PET bottle
circulation; rotation; cycle; loop
class; level; stratum; layer; hierarchy
heavy; weighty; heavy (feeling, atmosphere, etc.); serious; gloomy
globular shape; spherical shape
thick (paper, cloth, etc.); heavy
as soon as possible; ASAP; even a little early
getting closer; drawing nearer; being not much different; being near (age, skill, etc.); becoming close (i.e. friendly); becoming intimate
to backfire; to have a harmful result
in public; in company; in the presence of others
group; crowd; flock; herd; bevy; school
fleeting; transient; short-lived; empty (dream, etc.); mere (hope); faint (possibility)
suddenly; all of a sudden; unexpectedly
full length; total length; overall length
living thing; living creature; animal; life
(right at the) side; just beside
passing through (a tunnel, station, town, etc.); passing by (e.g. of a typhoon); passage (of a bill, e.g. through parliament); carriage; passing (an examination, inspection, etc.); clearing
pole; trolley pole; pole (unit of length or area); rod; (opinion) poll
ultrasonic waves; ultrasound
route; course; path; one's future course (e.g. after graduating high school)
slowly (but steadily); gradually; irritatedly; impatiently; scorchingly (of the sun); sizzling (i.e. sound of frying in oil); sound of a warning bell, alarm clock, etc.
precipice; cliff; flat head
to die out; to peter out; to become extinct; to cease; to be stopped; to be discontinued
bubble; foam; froth; suds; lather; head (on beer)
to fly away; to flee away; to scatter
air battle; dog fight; aerial battle
to unfold; to unroll; to open
to invade; to attack; to breach; to penetrate
overcrowding; congestion; overpopulation; crammed (schedule); congested; busy
to digest; to break down; to break to pieces; to be able to use; to be good at; to finish; to complete
training; practice; drilling; honing (one's skills); cultivation (e.g. of knowledge); improvement
superiority; superior power; predominance; preponderance
several hundred; hundreds (of)
iron wall; impregnable fortress; impregnable; invulnerable; unassailable
weak point; weakness; shortcoming; defect; flaw; sore spot