fearfully; timidly; nervously; cautiously; gingerly
background knowledge; prerequisite knowledge
sometimes; at intervals; occasionally; on occasion; from time to time
unique; peculiar; singular
to make progress; to develop; to evolve (method, style, etc.)
variety; kind; type; counter for kinds, species, etc.
presumably; it seems that ...; I guess that ...; I suppose that ...; one could infer that ...
element; chemical element; (classical) element (e.g. earth, water, air, fire); (arch.) origin; (arch.) source
attribute; property; context; character class, type, fetish, etc.
blank space (in documents); vacuum; blank; void
foundation; basis; bedrock; substrate (circuit board)
to build; to construct; to erect; to amass (e.g. fortune); to pile up
custom; practice; said; aforementioned; instance; example
to pass (the night); to spend; to reveal; to divulge; to prove; to verify
as you see; as you can see
to remove; to deinstall; to take away; to set apart
beyond help; there's nothing that can be done
this year; this fiscal year; this school year
single; simple; singles (tennis, badminton, etc.); win bet (bet which predicts the winner of a race)
to lose (something); to mislay; to get rid of; to eliminate; to remove
to take off one's clothes; to undress
woven mat (of sedge, hay, etc.)
recovery; undoing; recall
to smile (at); to grin (at)
hey!; wait a minute!; whoa!; boohoo; waaaa
irritating; annoying; tedious (work, person, etc.); boring; depressing; dark (e.g. story)
succeeding; following; trailing; next
to repeat a mistake (of somebody); to make the same mistake as that of ...; (lit.) to follow the rut (left by someone else)
misfortune; bad luck; ill luck; ill fortune
bluff; false show of power; bold front
the end; the extremity; the limit; the limits; the result
unusual; rare; new; novel; fine (e.g. gift)
serious look (on one's face); straight face
as a matter of fact; to tell the truth
incidentally; taking the opportunity; while (you) are at it; on the occasion
ace (playing card); ace (of a team); leading player; ace; hotshot; ace (serve)
lightning; flash of lightning; lightning bolt
(written) appeal; circular; manifesto; encouragement; encouraging words; letter of encouragement