suddenly; casually; accidentally; incidentally; unexpectedly; unintentionally
charging (electrically); recharging one's batteries (e.g. by taking a nap); replenishing (one's energy)
(battery) charger; AC adapter
invasion; incursion; raid; aggression; intrusion; trespass
origin; source; basis; base; cause; (raw) material; ingredient
pointing out; identification
guest spending the night (i.e. at a hotel)
floor; dance floor; sales floor; floor (of a building); storey
condominium (usu. mid or high-rise); apartment building; apartment house; block of flats; apartment; flat
automatic lock; automatic door-locking system
duplicate key; master key; passkey; skeleton key
outside (e.g. of a building); exterior; outside (of a group, company, etc.); outside world
back; rear; background; behind the scenes
what did you just say (to me)?; what's that?
to let slip; to slide; to glide
casual; unconcerned; nonchalant; ordinary; normal; regular
chewing; mastication; digestion (e.g. of words); assimilation; comprehension
verification of a calculation; checking (the result of) a calculation; going over one's figures
floor; stage (for the narrator and the shamisen player); dining platform built across a river
to hit the mark; to hit the nail on the head
consideration; examination; investigation; study; scrutiny; discussion
no!; no no!; no, not at all
miserable; pitiable; shameful; deplorable; pathetic
pity; sympathy; compassion; affection; love
Les Miserables (novel by Victor Hugo)
intruder; invader; trespasser; raider
neighborhood; neighbourhood; vicinity; environs; surrounding area; district
gap; opening; spare moment; interval; unguarded moment; carelessness
to be related; to be connected; to be joined together; to result in; to lead to; to bring about
cannot bear (doing); cannot bring oneself (to do); reluctant (to do)
grateful; thankful; welcome; appreciated; evoking gratitude
to have an idea; to have a clue
comparatively; relatively; fairly; considering ...; for ...; despite ...
wearisome; insipid; dull; irksome; wretched; vain
degree; extent; (health) condition; state of health; adjustment; moderation; addition and subtraction
check (pattern); plaid; check; inspection; check (mark); tick; checking (something) out
valuation; appraisal; evaluation; appreciation; recognition; acknowledgement
to guess; to sense; to presume; to sympathize with; to sympathise with
anonymity; using an assumed name