training; drill; practice; discipline
order; command; decree; (software) instruction; statement
abruptly; suddenly; all of a sudden; without warning
to pass through; to pass by; to pass (of time); to elapse; to have expired; to have ended; to exceed
to incline one's head to the side (in doubt); to tilt one's head to the side (in confusion); to be puzzled
invasion; incursion; raid; aggression; intrusion; trespass
large country; major nation; great power; province of the highest rank (ritsuryō system)
war; fighting; fierce competition
century; hundred years; (fig.) a long time
battlefield; battleground
to glare at each other; to confront each other
secret information; intelligence
scheming; planning; maneuvering; manoeuvring; plotting
surveillance camera; security camera
to be reflected; to harmonize with (harmonise); to come out (photo); to be projected; to be displayed (on a screen)
opponent; rival; adversary; menace; danger; threat
to be too numerous; to be too much
to examine; to look up; to investigate; to check up; to sense; to study
being painfully true (e.g. reprimand); making one's ears burn; striking home (e.g. remark)
question (e.g. on a test); problem; problem (e.g. societal, political); question; question (i.e. doubt); public discussion
secrecy; highly classified information
once; one time; temporarily; for a moment; one degree; one tone
(something) has never occurred; to have never done (something); such a thing has not happened; never happens; there is never a time when
to defend against; to protect against; to prevent; to avert; to avoid
negligence; carelessness; inattention; unpreparedness
to aim at (with a weapon, etc.); to be after (something or someone); to have an eye on; to aim for; to set up as a goal
perhaps; possibly; maybe; if; in case; in the event that
to name; to call; to christen; to term
to betray; to turn traitor (to); to double-cross; to disappoint; to let down
large-scale operation; large-scale campaign; major mission
belonging to (a group, organization, etc.); affiliation (with); being attached to; being under the control of; serving (in the military, congress, etc.)
side (of something, or taking someone's side); part; (watch) case
novel; original; new; innovative