working; in operation; running; active
soundproofing; sound insulation
outside (the room, building); outdoors
sound; noise; (musical) note; fame
development; evolution; expansion; spreading out; expansion (of an algebraic expression); development (of a three-dimensional shape); extraction (of compressed data)
nature; disposition; temperament; qualities; attributes; talents
peace of mind; relief; (sense of) security; safety; assurance; confidence
yes; yeah; hum; hmmm; oof
example; instance; precedent; custom; habit
experiment; experimentation
enforcement; implementation; putting into practice; carrying out; operation; working (e.g. working parameters)
to be decided; to be settled; to be unchanging; to be the same (as always); to be a fixed rule; to be destined; to be well executed (of a manoeuvre in a sport, game, etc.)
to lower one's voice; to speak with a hushed voice
that is so; that is right; it looks to me; people say that; it is said that; I hear that
previous time; last time; previous installment; previous instalment; previous session
national; founded and run by the central government
research institute; (research) laboratory
15th day of the month; 15 days
magic; Magic Marker; felt-tip pen; magic number
supposing; even if; granting that; temporarily; provisionally; for the time being
appearance; emergence; advent; arrival; showing up; coming to existence
dealing with; coping with
prefix for forming ordinal numbers
party; group; crew; company (of troops); corps; unit
adds force to a statement, decision or conclusion; indicates command; (strongly) emphasizes the previous word; adds focus; some- (e.g. something, someone)
cause; seed; variety; kind; counter for varieties
to use; to make use of; to utilize; to utilise
combat; battle; action; active service; actual fighting
meagre; meager; scarce; limited; destitute; hard up
continent; continental Asia (esp. mainland China); continental Europe
indigenous people; native people; aborigines
blood; blood; ancestry; (the) blood; feelings