unclear; obscure; unknown; unidentified; ignorance; lack of wisdom
in accordance with; following; roughly; about; Street; Avenue
research establishment; research institute; laboratory
endorsing and questioning the preceding statement; lamenting reflections on the preceding statement
certain; sure; definite; reliable; sound; solid
to stop; to turn off; to park; to prevent; to suppress (a cough); to stop (someone from doing something); to dissuade
throwing in; inserting; investment; commitment (of funds, personnel, etc.); launching (a product into the market); introduction
opposite; opposition; versus; vs.; to (e.g. "winning a game five to three"); equal footing
unification; bringing together; generalization; control; supervision
engine; agency; organisation; system; facility
centre; center; middle; capital; seat of government
tree; shrub; bush; wood; timber
center; centre; middle; -centered; -centred; -focused
four; four years of age; ten o'clock (old time system); Burakumin; cross grips
composition; construction; formation; makeup; structure; organization
to keep within limits (e.g. spending); to restrain (e.g. emotions); to control; to hold back (e.g. an enemy); to check; to curb
defense; defence; guard; policing; security
each place; various places
arrangement (of resources); deployment; stationing; posting; disposition; configuration
class-A; A class; A grade
the whole area; all areas
advisory level; warning level
rank; ranking order; hierarchy
entering; setting (of the Sun); containing; content; income; beginning
or; either ... or; maybe; perhaps; some ... and others ...; sometimes ... and at other times ...
class-B; B class; B grade; second rate
superior (in rank); top; higher order (e.g. byte); host computer (of connected device)
(not) even when using ...; (not) even with the help of ...; (not) even by ...
exceedingly; extremely; decisively
difficult; hard; impossible; unfeasible; fussy; particular; gloomy
call; summons; convening; convocation
order; command; decree; (software) instruction; statement
to descend; to go down; to be handed down (of an order, judgment, etc.); to pass (of time); to surrender; to capitulate; to be less than
majority; more than half; most (of); mostly; largely; mainly
exactly; surely; right then; just then; just (about to); on the verge (of doing or happening)