which reminds me ...; come to think of it ...; now that you mention it ...; on that subject ...; so, if you say ...
maintenance; servicing; putting in place; development; improvement
indeed; really; truly; very much
grimoire; book of magic; book of sorcery
restoration; recovery; rehabilitation; recovery (from an illness); recuperation; convalescence
attack; assault; criticism; censure; cyber attack (e.g. DDoS)
character (esp. kanji); letter; handwriting; penmanship; the ... word (e.g. "the L word" = "love")
letter (of an alphabet); character; writing
to appear to regret (an outcome, etc.); to seem bitter
study; diligence; working hard; experience; knowledge; discount
index finger; forefinger; first (occ. second) finger; second toe
fingertip; finger; toe tip; toe
wind; breeze; manner; behaviour; cold; influenza
focusing (of light); convergence; gathering and bundling
deep emotion; impression; inspiration
one (esp. of two); the other; on the one hand; on the other hand; whereas; although
place; point; part; counter for places, parts, passages, etc.
trivial; not amounting to much
to become possible; to become able to (do)
to seek knowledge; to ask for instruction
behavior; behaviour; manner; attitude; bearing
senior; older; third-year kindergarten student
small quarrel; dispute; run-in; issue; trouble
to have one's attention caught (by); to be distracted (by); to be preoccupied (with); to be captivated (by); to be absorbed (in)
fleeting (glimpse, glance, etc.)
together; jointly; at the same time; with; both
still; as yet; (not) yet; more; (more) still; at least
fixing (in place); being fixed (in place); fixing (e.g. salary, capital); keeping the same; fixation (histology); user name (on an online forum like 2ch where the majority of users post anonymously)
very; greatly; immense; enormous; serious; grave
to get angry; to get mad; to lose one's temper; to scold; to tell (someone) off
isolated; standing alone; falling in drops (e.g. rain); saying a single word; muttering just a few words
murmur; mutter; murmuring; tweet; Twitter post
in general; generally; mostly; gist; point; main idea
growth; development; growing up; growth (of a company, the economy, etc.)
before one knows; before one becomes aware of; unnoticed; unawares
to surround; to encircle; to besiege; to lay siege to; to play (go, shogi, etc.)
slow; sluggish; dull; lax (regulation, handling, etc.); slack; sloppy
disorder; disturbance; unrest
to straighten up; to sit upright
deep sleep; sound sleep; profound sleep