lesson; section (in an organization); division; counter for lessons and chapters (of a book)
speciality; specialty; subject of study; expert; area of expertise
to defend against; to protect against; to prevent; to avert; to avoid
crowd of people; great number of people; in great numbers
human being; human; person; character (of a person)
to be sacrificed; to fall victim to; to fall prey to
to move; to stir; to operate; to run; to make a move; to take action; to be touched
telephone call; phone call; telephone (device); phone
young; youthful; immature; green; low (number); small
board; plank; sheet (of metal); plate (of glass); cutting board; chopping board
recently; lately; these days; nearest; closest
treatment; service; handling (of a machine, tool, etc.); operation; treating as; treating like
company; lot; bunch; troupe; company (of musicians)
and yet; despite this; but even so; but even then; however; nevertheless
one's youth; early life; one's early days; one's early years
the teens (10-19); teenage; the tenth generation
stone; jewel; precious stone; flint (in a lighter); stone (in go); stone (in the bladder, kidney etc.); calculus
to throw; to hurl; to give up; to abandon; to cast (a glance, shadow, doubt, etc.)
country; state; region; national government; central government; home (i.e. hometown, home country); (arch.) province (of Japan)
to make war (on); to wage war (against); to compete (against); to struggle (against adversities, etc.); to fight
now; the present time; just now; another; more
to call out (to); to call; to summon (a doctor, etc.); to invite; to designate; to name; to garner (support, etc.)
period; epoch; the times; those days; oldness; ancientness
to differ (from); to vary; to not be in the usual condition; to not match the correct (answer, etc.); to be different from promised; isn't it?
distinction; difference; separate; different; exception; exclusion
name; given name; first name
pharmaceutical (drug) company
such things as ...; and ... and; the minute (that) ...; no sooner than ...; be; is; o
research establishment; research institute; laboratory
pointed end; tip; point; forefront; vanguard; spearhead
medical care; medical treatment
organization; organisation; structure; construction; system (e.g. railroad, transport, party, etc.); tissue; texture (of a rock)
to entangle; to entwine; to pick a quarrel; to find fault; to be involved with; to be influenced by
what?!; what did you say?!; why?; what for?; anyone; anything
itself; one's own body; oneself; originally; naturally
suspension; stoppage; discontinuance; interruption
another; one more; not quite; not very good; lacking
important; momentous; essential; principal; major
by no means; never!; something unexpected; emergency; (arch.) currently; (arch.) for the time being