putting an idea into someone's head; suggestion; hint
arsenal; ordnance factory; armoury; armory
gray zone; grey zone; gray area
malicious; spiteful; vicious; shady and damp
(in) secrecy; behind closed doors
pre-war days; before the war
irrational (line of) argument
good offices; auspices; sponsorship; village official (during the Edo period)
staff officer; military staff; adviser; counselor; counsellor
breakthrough (research, etc.); breach; opening
exactly right!; indeed; damn straight
sophism; chop logic; far-fetched argument; quibble; cavil; argument for argument's sake
stupid; meaningless; worthless; hopeless (person, situation); beyond help; beyond saving
decorum; propriety; politeness
to dismantle; to demount; to take something away; to detach
while it may be true that; just because; nevertheless; not necessarily
to divide; to separate; to partition; to punctuate; to mark off (with a comma); to insert pauses (between words or phrases when reading aloud)
rhombus; rhomb; lozenge; diamond (shape)
international; diplomatic intercourse
to reject; to repulse; to repel; to bounce back; to counterattack; to strike back
losing one's position; losing one's standing; downfall; fall (from power); being overthrown
gear; speed (e.g. 4-speed transmission)
this and that; this or that; one thing or another; this way and that
to say to each other; to exchange (jokes, comments, etc.); to quarrel; to dispute
looking good; sounding good; (of) good appearance
high-spec; highly competitive (on the dating scene, e.g. by having a high income, being good-looking); ticking all the boxes
well aware of; know thoroughly; being familiar with (and thus feeling no need for restraint)
exquisiteness; charm; beauty; advantage; profit; gain
running; gliding; first (harvest) of the season; beginning; start; kitchen sink
concentration; diligence; asceticism; zeal in one's quest for enlightenment; adherence to a vegetarian diet
reply; response; -less; sexless (relationship); loess
to change; to alter; to run counter to; to go against; to make a mistake (in); to err
to be unreasonable; to whine; to act like a baby
to make sense; to be consistent; to be logical; to stand to reason; to be coherent
softening; softening (of attitude); mollification; weakening (of the market); blanching (of vegetables; by depriving them of light)
dignity; majesty; sanctity
to be deeply impressed; to take to heart; to engrave on one's heart; to bear in mind; (lit.) to engrave on one's liver