secret; secrecy; mystery; secret (e.g. to success); esoteric teachings
(not) at all; (not) in the slightest; wholly; entirely; extremely; very
diligent study; devoting oneself to one's studies
to strive; to endeavour; to endeavor; to make an effort; to be zealous
face; visage; look; expression; honor; honour
to turn over (face down); to lay face down; to point downwards (eyes, head, etc.); to cast down (eyes); to lie (one's body) face down; to lie flat (on the ground)
throughout; over a period of ...; over a span of ...
language; dialect; word; phrase; speech; (manner of) speaking
towards; against; regarding; in contrast with
certainly; of course; even if; no matter (who, what, when, where, why, how); without even; without so much as; at the (least, earliest, etc.)
clear; distinct; evident; definite
in short; in a word; to sum up; to put it simply; to make a long story short; after all
I've heard that ...; rumour has it that ...; it appears as if ...
although; despite; whereas; while; if only; I wish
natural; right; proper; naturally; as a matter of course; rightly
doubt; question; suspicion; dubiousness
to taste; to eat; to drink; to speak (of); to refer (to); to say
ah!; oh!; yes; indeed; aah; gah
final; eventual; ultimate
permission; approval; authorization; to permit; to authorize
to get; to earn; to understand; to comprehend; to receive something undesirable (e.g. a punishment); to get (ill)
country; state; region; national government; central government; home (i.e. hometown, home country); (arch.) province (of Japan)
if that is the case; if it becomes so; when it becomes so
to get used to; to grow accustomed to; to become skilled in; to become experienced at; to become tame; to become domesticated
previously; before; first; before (something or someone else); beforehand; in advance
personal; individual; private
now; the present time; just now; another; more
to be troubled; to have difficulty; to be bothered; to be inconvenienced; to be badly off; to be hard up
corresponding to (in meaning, function, etc.); being equivalent to; appropriate; suitable; to be proportionate to; to be in keeping with
correct; right; correct interpretation (answer, solution)
prohibition; inhibition; ban
custom; practice; convention; precedent
few decades; many decades; several decades
at that time; in those days
origin; source; history; originally; from the start; by nature