serious; earnest; sober; honest; sincere
accident; incident; trouble; circumstances; reasons
judging from appearances; to all appearances; from the looks of it; on the face of it; apparently; seemingly
very likely; very probable
small mercy (from some misfortune); silver lining of a dark cloud; consolation in sadness; blessing in disguise
to be responsible for; to bear the responsibility of
when; at what time; how soon; normal times; ordinary days
in either case (used specifically in the instance of two possible outcomes or situations); either way; one way or another
carelessness; inattention; thoughtlessness; negligence
still; yet; more; still more; furthermore; in addition
as one would expect; just as you'd expect (from); still; all the same; even ... (e.g. "even a genius")
to abandon; to fail; to desert; to forsake
to care for someone; to look after someone
to learn by experience; to learn one's lesson; to learn the hard way; to be discouraged (by); to have enough (of); to be disgusted (with)
(something) has never occurred; to have never done (something); such a thing has not happened; never happens; there is never a time when
just to make sure; just to be sure; for confirmation; just in case; for caution's sake; by way of precaution
to decrease (in size or number); to diminish; to abate
(mental) agony; anguish; suffering; distress
finally; after; following; at the end (of)
at once; immediately; instantly; in an instant; quickly; suddenly
from now on; after this; in the future; from here; from this point
to leak out; to escape; to find expression; to give vent; to leak out; to be divulged
art; technique; means; way; stratagem; artifice
therefore; and so; for that reason; accordingly; consequently; hence
to deal with (a person); to treat; to deal with (a problem); to handle; to operate (e.g. a machine); to handle; to deal in
sure to ...; certain to ...; bound to ...; it's natural that ...; it's obvious that ...
growth; development; growing up; growth (of a company, the economy, etc.)
plentiful; lot of; much; pile of
splendid; fine; praiseworthy; creditable; legal; legitimate
residence; estate; grounds; premises; mansion
garden; yard; courtyard; field (of action); area
left in a state of neglect; left to go to ruin; left to run wild (e.g. of a garden)
corridor; hallway; passageway
leaving (on, open, unfinished, etc.); (doing) continuously; constantly; keep ...-ing
major cleanup; spring cleaning
trivial; trifling; slight; insignificant
may; might; perhaps; may be; possibly
judging from; on the basis of; from the point of view of
cleaning; sweeping; dusting; scrubbing
to recall; to remember; to recollect
instead; but (on the other hand)
flower; blossom; cherry blossom; beauty; blooming (esp. of cherry blossoms); ikebana; hanafuda
when it comes to the cause; when you get right down to it; as for what started it; as for the reason; originally