outward appearance; ostensible; public; official
clinical study; clinical trial
immunity; immunization; immunisation; being hardened (to); being unaffected (by); being accustomed (to)
system; lineage; ancestry; group (e.g. of colors) (colours); family (e.g. of languages); close (evolutionary) relationship
this world; this life; world of the living
to imitate; to copy; to mock; to trace; to forge
to sleep; to die; to rest (in peace); to lie idle (e.g. of resources); to lie unused; (arch.) to close one's eyes
cruel; brutal; ruthless; merciless; inhuman
at that time; in those days
smuggling; contraband trade
regular; normal; formal; legal; established; legitimate
certain; sure; doubtless; I have no doubt; You can depend on it; It's a safe bet
to entrance; to possess; to enthrall
house (e.g. of Tokugawa); family
spare time; free time; time (e.g. time it takes to do something); time off; day off; quitting (one's job); firing someone
study; library; den; home office; reading room
to shut oneself in (e.g. one's room); to be confined in; to be filled with (emotion, enthusiasm, etc.); to fill the room (of a gas, smell, etc.); to be heavy with (e.g. smoke); to be muffled (e.g. voice); to hold (a castle, fortress, etc.)
to look at; to gaze at; to look out over; to get a view of; to look on (from the sidelines); to stand by and watch
always; constantly; frequently; often; nonstop
overnight stay; stopover; inn; hotel; anchorage; night duty
dissatisfaction; discontent; displeasure; complaint; unhappiness
younger brother; little brother; brother-in-law (spouse's younger brother or younger sister's husband); (arch.) pupil; (arch.) apprentice
to do without being seen (by); to do behind (someone's) back; to do without the knowledge of (e.g. one's parents)
regret; repentance; remorse
to stare at; to gaze at; to look hard at; to watch intently; to fix one's eyes on
passion; enthusiasm; zeal
year after year; as the years go by; with each passing year
management; administration; operation; running (business); conducting
joining a company; getting a job with a company; entering a company
disposition; inclination; characteristic; sexual disposition; fetish
to pity; to feel sympathy for; to sympathize with; (arch.) to enjoy the beauty of; (arch.) to appreciate; (arch.) to admire
feelings; emotion; compassion; sympathy; passion; affection
certain; unmistaken; evident; obvious; beyond doubt
dark red; dark brown; reddish brown
to become rusted together; to become rusted shut; to rust; to become (completely) rusty; to become rusty (of a skill or ability); to become less effective
trace; tracks; site; remains; scar
to succeed (a person, to a position, etc.); to inherit; to patch (clothes); to mend; to add (e.g. charcoal to the fire); to replenish with
serious; important; significant; grave; weighty