secret of nature; profound secret; disposition; character; emperor's health; emperor's well-being
use; application; employment; utilization; utilisation
naturally; of course; understandably
in a manner of speaking; as it were; so to speak; if you like; per se
aviation; flight; flying; to fly; to take a flight
edition; version; plate; block; editions of a publication
versatility; multiplicity of use
function; facility; faculty; feature
specialization; specialisation
to go into; to come into; to penetrate; to become complicated
extermination; annihilation
to bear; to stand; to support; to withstand; to be fit for; to be equal to
where ... is concerned; when it becomes; if it becomes
to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe
poison; toxicant; harm; evil influence; ill will; spite
poisonous substance; toxic substance; poison
to differ; to vary; to disagree
(place of) refuge; escape; exit; way out; shelter; hiding place
mouse; rat; dark gray; dark grey; slate (color, colour)
insect; bug; worm; roundworm; one's emotions; one's feelings; nervousness
to crawl out of; to creep out of
crevice; crack; spare moment; interval; chink (in one's armor, armour); unpreparedness
to harden; to freeze; to put together; to collect; to make secure; to stabilize; to fortify
cannot help (doing, etc.); cannot resist; must not ...; should not ...; must ...; have to ...
vent; ventilation opening
to open (a door, etc.); to unwrap (e.g. parcel, package); to open (for business, etc.); to empty; to remove; to move out; to clear out
to talk; to chat; to chatter
to think of; to hit upon; to come into one's mind; to remember; to recall
which reminds me ...; come to think of it ...; now that you mention it ...; on that subject ...; so, if you say ...
free; unrestricted; (with) complete mastery; completely in control
where; what place; how much (long, far); what extent
cat (esp. the domestic cat, Felis catus); shamisen; geisha; wheelbarrow; clay bed-warmer; bottom; submissive partner of a homosexual relationship
indicates reason or excuse; indicates dissatisfaction; indicates desire to be pampered or indulged
dragon (esp. a Chinese dragon); naga; semi-divine human-cobra chimera in Hindu and Buddhist mythology; promoted rook
to fall (of rain, snow, ash, etc.); to come down; to form (of frost); to beam down (of sunlight or moonlight); to pour in; to visit (of luck, misfortune, etc.)
to look at; to gaze; to stare at
aimlessly; unexpectedly (showing up); slowly swaying; staggering; moving feebly
to disappear; to vanish; to go out (of a fire, light, etc.); to die; to fade (of a feeling, impression, etc.); to vanish (e.g. of hope); to go away (e.g. of a smell, itchiness, sleepiness)
irresponsible; perfunctory; lukewarm; half-baked; reasonable; moderate