one; for one thing; only; (not) even; just (e.g. "just try it"); some kind of; one type of
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
emission (of light); radiation (of light); luminescence
healing; soothing; therapy; comfort; solace
three; three years of age
light; right; right field; right fielder
graduation; completion (of a course); moving on (from); outgrowing (something); leaving (a group, company, etc.)
standard; basis; criterion; norm; reference; datum
use; application; employment; utilization; utilisation
intended for ...; oriented towards ...; aimed at ...
zero; 0; nought; nothing; zilch
pure; genuine; trueborn; natural-born
Japanese (people, language, style)
to finish reading; to read through
by means of; due to; because of; according to
grasp; catch; understanding
degree of difficulty; difficulty level
et cetera; etc.; and the like; and so forth
basics; rudiments; elements; ABCs of ...
as soon as...; just after...; immediately after...; hurriedly; in haste; quickly
use; exercise (of one's right, authority, power, etc.)
certain; sure; definite; reliable; sound; solid
process; operation; stage of a process; progress of work
to let fly; to make fly; to skip over; to leave out; to run fast; to drive fast; to spray
natural; understandable; reasonable; no wonder
to worry (about); to fret (over); to be anxious
there's no (other) way; cannot be helped; unavoidable; it's no use (doing); pointless; hopeless (person)
lucky; nice!; score!; bingo!
doubt; question; suspicion; dubiousness
he; she; that person; that; that one; that thing
clear; obvious; evident; bright; light