patent; special permission; licence (license); proprietary
to change into; to convert into; to transform; to be reduced; to influence; to improve (someone)
occasionally; once in a while; seldom; casually; unexpectedly; accidentally
affinity; compatibility; chemistry (between people)
as a test; as an experiment; by way of experiment; by way of trial; tentatively
look!; look out!; hey!; look at me!; there you are!
there is no need to ...; never happens; there is never a time when
shout; cry; outcry; yell; shriek; scream
as one would expect; just as you'd expect (from); still; all the same; even ... (e.g. "even a genius")
understanding; comprehension; appreciation; sympathy
life; life force; lifetime; lifespan; most important thing; foundation
to be a match for; to rival; to equal; to compare with; to be equivalent to
article; goods; fine thing; fellow; (arch.) prostitute; (arch.) price
technology; engineering; technique; skill; art; craft
trivial; not amounting to much
interval; period of time; among; between; good opportunity; chance
to be handed down; to be introduced; to be transmitted; to be circulated; to go along; to walk along
that is to say; that is; in short; in brief; clogging; obstruction; shrinkage
interest; rights; concession
question (e.g. on a test); problem; problem (e.g. societal, political); question; question (i.e. doubt); public discussion
important; significant; precious; valuable; careful
mostly; ordinarily; probably; most; almost all; ordinary
another time; again; over again; formally; especially; intentionally
consenting to; being convinced of; being satisfied; understanding
as (for); for; in the capacity of
considerable; great; important; significant; a big deal
(something) has never occurred; to have never done (something); such a thing has not happened; never happens; there is never a time when
coincidence; chance; by chance; unexpectedly; contingency
thinking; thought; idea; notion; intention; plan
to raise; to raise up; to wake; to wake up; to cause; to bring about; to start
condition; term; requirement; qualification; prerequisite
breaking through; breakthrough; surmounting; overcoming; exceeding; passing
abrupt; sudden; unexpected
rather; sooner; preferably
blasphemy; curse; profanity; sacrilege; desecration
-ical; -ive; -like; -ish; (something) like; along the lines of
(good) result; outcome; fruits (of one's labors); product; accomplishment
to raise; to elevate; to do up (one's hair); to fly (a kite, etc.); to launch (fireworks, etc.); to land (a boat); to show someone (into a room)
reproduction; duplication; reprinting
where ... is concerned; when it becomes; if it becomes
in a sense; in some way; to an extent