today; this day; these days; recently; nowadays
friend; companion; comrade; accompaniment; companion (e.g. book); complement
opponent; rival; adversary; menace; danger; threat
individual; private person; personal; private
opposite; opposition; versus; vs.; to (e.g. "winning a game five to three"); equal footing
severe; strict; hard (to do); difficult; intense (e.g. cold); harsh (weather)
from now on; after this; in the future; from here; from this point
to begin; to start; to happen (again); to begin (anew); to date (from); to originate (in)
to have no way of knowing; to be completely ignorant of