step; stair; shelf; layer; grade; level; dan (degree of advanced proficiency in martial arts, go, shogi, etc.)
strange; weird; wonder; mystery; cleverness; adroitness
thump-thump; bang-bang; pit-a-pat; to beat fast (of one's heart); to throb; to pound
blushing; getting red in the face; embarrassment
to be completely boiled; to be sufficiently boiled
unexpected; surprising; unanticipated; strange; unforeseen
to thrust (something) into (something); to cram; to plunge into; to charge into; to delve into (a matter); to go into depth; to press (someone) about
residence; estate; grounds; premises; mansion
literature; books (reference); document
daddy's girl; daddy's boy
pure; true; genuine; unmixed
rest period; intermission; break time; recess
on good terms (with); on friendly terms (with); (getting along) well; in harmony; happily; peacefully
what with A and B; such things as A and B; A and B and so on; denotes uncertainty
movements; bearing; deportment; carriage; behavior; behaviour
lovely; dear; beloved; pitiable; pathetic; piteous
favourable; favorable; doing well; OK; all right
floral decoration; floral ornament
joint ownership; co-ownership; sharing (e.g. a viewpoint); sharing (files, devices on a network, posts on social media, etc.)
(trend of) the times; current of the times; spirit of the age
factional dispute; factional strife; rivalry between factions
outbreak (e.g. of war); outburst; sudden occurrence
teaching; instruction; teachings; precept; lesson; doctrine
group; faction; (political) faction; wing; school (of thought, painting, etc.); sect
isolation; separation; remoteness; seclusion; reclusion; inaccessibility
independence; self-reliance; independence (e.g. of a nation); freedom; separation; isolation
from the beginning; from the first; of course; not to mention ...; not only ... but also ...
(establish) friendly (cordial) relations (with, between); (form) friendship (e.g. with a nation)
gun; firearm; small arms (e.g. rifle, pistol, etc)
increase in production; production increase
anonymous report; (secret) information; tip-off; informing (against)
to examine; to look up; to investigate; to check up; to sense; to study
large quantity; massive (quantity); mass (e.g. mass production, mass transit, mass destruction)
discovery; detection; finding
one by one; one after another; successively
rebellion; revolt; insurrection; treason
secret; private; surreptitious
to train; to teach; to acquire (information); to learn; to stock; to stock up on
to worry about; to be anxious about; to be concerned about; to lament; to grieve; to mourn
demonstration; parade; show of strength