timewise; temporal; chronal
to be (of animate objects); to exist; to stay; to be ...-ing; to have ...-ed; to be ...-ed
to feel like; to feel inclined to do
reflective water surface; reflecting water
have to (do, be); must (do, be); is indispensable; is absolutely necessary
discovery; detection; finding
black; dark; blackish; suspicious; criminal; darkened and dirty; sooty
plain; simple; reserved (behaviour, attitude, etc.); modest; quite; a (little) bit
device; contrivance; trick; trap; (small) scale; half finished; commencement
to puzzle over; to think deeply about; to rack one's brains over (wrack)
at the critical moment; when the time comes; when it's most important; when necessary; in an emergency; when push comes to shove
the earth below; the ground below; this world (as opposed to heaven)
passage; pathway; roadway; avenue; aisle
to get cloudy; to cloud over; to cloud up; to fog up; to be gloomy; to be clouded (expression)
return (home); repatriation; feedback (in an electronic circuit, biological system, etc.)
to take a breather; to take a rest; to catch one's breath; to take a breath
long bath; staying in the bath for a long time
double; twice (as much); twofold
a little less than; a little under; weakness; the weak; -lower (seismic intensity)
ageing; aging; senile deterioration
chill; the shivers; shivering fit
to attack; to go for; to come at; to pounce on; to jump on; to swoop down on
hack; inferior horse; inferior person; incapable person
warm; mild; (pleasantly) hot
moderate; proper; just right
for a long time; since long ago; always; already; far in advance (e.g. reservation)
to doubt; to think (something is) doubtful; to wonder; to be suspicious
period; epoch; the times; those days; oldness; ancientness
everyday; daily; ordinary; usual; routine; regular
enough; sufficient; plenty; sufficiently; fully; thoroughly
the extraordinary; the unusual; the unexpected
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
casual; unconcerned; nonchalant; ordinary; normal; regular
no matter how you look at it; no matter how you slice it; clearly; obviously; surely; without a doubt
with a clatter; with a rattle; (almost) empty; (mostly) vacant; raspy (voice); gravelly; with a gargle
product; produce; result; fruit
diffusion rate; rate of spread