clear; obvious; evident; bright; light
nature; natural; spontaneous; naturally; spontaneously
unusual event; strange occurrence; strange phenomenon; something abnormal; change (for the worse); accident
special ward; special economic zone (China); special administrative region of China (e.g. Hong Kong)
to play a leading role; to play a central part
gravity; gravitation; gravitational pull
local (rain, distribution, outbreak, etc.); localized; regional; isolated
(divine) providence; dispensation
collapse; crumbling; breaking down; (radioactive) decay; disintegration
calamity; disaster; catastrophe
center; centre; middle; -centered; -centred; -focused
establishment; founding; incorporation (of a business)
to pass (of time); to elapse
turmoil; chaos; confusion
to correct; to rectify; to reform; to straighten (one's posture, collar, etc.); to adjust
part; assigning (allotment of) parts; role; duties
to make sound (of an animal); to call; to cry; to make a meld call (e.g. pung, kong)
feeling; sense; impression
research establishment; research institute; laboratory
contacting; (making) contact; connection (with a train, bus, etc.); joining (a railway line, etc.); connection (between matters, incidents, etc.); relation
to come off; to be removed; to disappear (of pain, a fever, etc.); to be caught; to be harvested; to be interpreted (as); to be taken (as)
result; consequence; coming to fruition; bearing fruit; as a result; consequently
what?!; what did you say?!; why?; what for?; anyone; anything
so to speak; so to call it; as it were
re-examination; reinvestigation
to recognize; to recognise; to deem; to judge; to approve; to deem acceptable; to admit
itself; one's own body; oneself; originally; naturally
to lose; to miss (a change, opportunity); to lose (a loved one); to be bereaved of; to concede (goals, points, etc.)
Kanto; region consisting of Tokyo and surrounding prefectures; Kanto; north-eastern half of Japan (during the feudal era)
sphere; circle; range; category
everyone; everybody; all; everything; all
riddle; puzzle; enigma; enigmatic; mysterious
to be solved; to be resolved; to loosen; to come untied; to be removed (of restrictions); to be lifted (e.g. a ban)
form; shape; figure; visage
to take in; to bring in; to capture (e.g. image); to import; to win over; to please
essential; important; crucial; vital; main
potentiality; likelihood; possibility; availability
technology; engineering; technique; skill; art; craft
aim; goal; prospect; outlook
still; even now; to this day