when it becomes; when it comes to
going to bed; retiring (for the night)
time; (the) hour; favourable time; opportunity; chance
growth; breeding; growing up (in, as); upbringing
nearby (one's seat); (by) one's side; Dear (Mr./Mrs.)
ease of use; user-friendliness; usability; utility; convenience
night watch; night guard; night shift
system; institution; organization; organisation
unity; consolidation; uniformity; unification; compatible
minimum; (very) least; at least some (comfort, etc.); only (consolation, saving grace, etc.); sole
order; observance; discipline; rules; law; regulations
to keep; to preserve; to hold; to last; to endure; to keep well (food)
military style; army style
until then; till then; to that extent; the end of it; all there is to it
to tear; to rip; to break through (cordon, opponent's defense, etc.); to breach; to defeat; to beat; to break (e.g. silence)
even ... (e.g. "even a genius")
to snarl (at each other); to growl (angrily); to quarrel; to fight; to argue
thick; viscous; muddy; dirty (with oil, grease, etc.); to be in an ugly state (of emotions, relations, etc.); to be murky
damp; humid; wet; gloomy; melancholy; depressing
for example; for instance; e.g.
to eat; to live on (e.g. a salary); to live off; to subsist on
pseudo; quasi; false; suspected (case, e.g. of disease)
family; members of a family
measure; step; countermeasure; counterplan; countermove; strategy
day and night; around the clock; always; constantly
no sleep or rest; working day and night
samadhi (state of intense concentration achieved through meditation); being immersed in; being absorbed in; prone to; apt to
completely; entirely; nonchalantly; as if nothing happened
(not) so; (not) particularly; (not) very; (not) that much
pain; anguish; suffering; duhkha (suffering)
guinea pig (Cavia porcellus); subject of an experiment; (human) guinea pig
while; during (the time when)
after (practically) no time; immediately after; just; having no time to