time; hour; period; class
passage (of time); elapsing; progress; development; transit
period of youth; while young
lively; active; vigorous; animated; brisk
to spread (out); to extend; to stretch; to reach to; to get around; to fill (e.g. a space)
young; youthful; immature; green; low (number); small
where; what place; how much (long, far); what extent
plan; project; schedule; scheme; program; programme
to talk about; to speak of; to recite; to chant; to indicate; to show
century; hundred years; (fig.) a long time
to pass (of time); to elapse
century; hundred years; (fig.) a long time
this is not the time (for that); that's out of the question right now
century; era; of the century (e.g. fight of the century)
throughout; over a period of ...; over a span of ...
keeping alive longer; prolonging life; life extension; life-support
to continue; to keep up; to keep on
unbelievable; incredible; implausible
stoppage; coming to a stop; ceasing (movement, activity, etc.); suspension (of operations); suspension (of payment, licence, etc.); (temporary) prohibition
a little; a bit; just a minute; for a moment; somewhat; rather; (not) easily
long (distance, length); long (time); protracted; prolonged
once; before; formerly; never yet; never before; first time
information; news; intelligence; information; data contained in characters, signals, code, etc.
synthesis; coordination; putting together; comprehensive
learning; scholarship; study; study of ...; -ology; -ics
plural; multiple; several
field; sphere; realm; division; branch
achievements; actual results; accomplishments; past results; track record
speciality; specialty; subject of study; expert; area of expertise
plain; field; hidden (structural) member; wild; lacking a political post
group; bunch; crowd; group
space (between); gap; period of time (during, while); duration; between (two parties or things); among (a group); relations (between)
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
to look back on (the past); to reflect on; to look behind (at); to turn round (and look); to consider; to concern oneself about
expertise; experience; knowledge
main; principal; chief; primary; major
uniform; equal; even; common; ordinary; usual
major subject; special study