without notice; without leave (e.g. absence); unregistered; unreported (e.g. marriage, business, etc.)
pure; true; genuine; unmixed
based on; on the basis of
to line up; to set up; to enumerate; to itemize; to be equal (to); to compare well (with)
counter for books; volume
place; spot; field; discipline; occasion; situation; scene (of a play, movie, etc.)
altitude; height; elevation; high-degree; high-grade; advanced
science and technology; scientific technique
movement; transfer; migration; mobile; moving; traveling
laptop (computer); notebook (computer)
old; former; the old; old things; old times; bygone days
period; epoch; the times; those days; oldness; ancientness
network; Internet; net (hair, netball, etc.); net (price, weight, etc.); nett
maintenance; servicing; putting in place; establishment; development
minimum; at the very least
common sense; good sense; common knowledge; general knowledge; common practice; accepted practice
collecting; accumulating; collection (of art, stamps, insects, etc.); garbage collection; waste collection
first thing after rising; as soon as getting up
outsider; layman; amateur
to set (sun); to become dark
information technology; IT
to handle (men); to master (a tool); to manage; to acquire a command of (a language)
irony; sarcasm; unexpected; different from what one expected; (only) surface; something superficial
looking up (e.g. a word in a dictionary); retrieval (e.g. data); searching for; referring to
counter for parts, stages, installments, etc. (of a story, series, project, campaign, etc.); counter for bullets
to get (a joke or explanation); to strike home; to click; to know intuitively
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
sigh (of grief, disappointment, etc.); grieving; lamenting; deploring
overeagerness; rashness; forward step-out
in every nook and corner; from A to Z; from head to toe; from cover to cover
tightly (holding on); firmly; strongly (built); solidly; properly; well
blunder; miss; slip; oversight
conclusion; decision; judgement; affirmative
to stream; to flow (liquid, time, etc.); to be washed away; to be carried; to drift; to float (e.g. clouds); to sweep (e.g. rumour, fire)
slight; thin; on the weak side
to insert; to put in; to have a griping pain; to flow in; to shine in