different (quality, nature); heterogeneous
delineation; demarcation; drawing a line (e.g. between what's acceptable and unacceptable); (measuring) ruler
nail; spike; tack; rivet; brad; (pachinko) pin
preemptive strike; preemptive attack; first strike
all-out attack; general offensive
violence; reckless action; (an) outrage
to imitate; to copy; to mock; to trace; to forge
one breath; time of one breath; pause; break; (doing in) one go; doing without stopping
to happen to have on hand or in stock
omniscience and omnipotence
to lurk; to be hidden; to be concealed; to lie dormant; to be latent
chase; pursuit; tracking; following up; tracing
plan; scheme; plot; design; project; intention
free action; free activity; acting at one's own discretion; taking one's own course; free hand; independent action
preliminary contest; qualifying round; trial; heat; primary
to trouble; to bother; to annoy
date (with someone); (social) outing (for two); date night; date (day)
to starve; to be famished; to be hungry; to be starved of (e.g. love); to be thirsty for (e.g. knowledge); to be hungry for
straight; straightforward; direct; neat (e.g. spirits); black (e.g. tea, coffee); entering university directly from high school; fast ball
delicacy; tact; considerateness; sensitivity; thoughtfulness
caged bird; person whose freedom has been restricted (esp. a prostitute, mistress, concubine, etc.)
middle and high-school students
convenience; accommodation; advantage; benefit; expediency
to plan; to attempt; to plot; to conspire; to aim for; to strive for
lifeboat; friend in need; helping hand; timely help
to undertake; to take on (task); to assure; to guarantee; to vouch (for)
at any rate; anyhow; anyway; in any case; because; as you know
educational system; school system
dream within a dream; (beyond) one's wildest dreams; entirely unrealizable dream; pie in the sky
an apprentice system; apprenticeship