superior (in rank); top; higher order (e.g. byte); host computer (of connected device)
valid; proper; right; appropriate; reasonable
electricity; electric guitar
system; lineage; corollary; system (range of strata that correspond to a particular time period); (taxonomical) series
was it?; I think it was ...; if I've got it right; (I, we) used to ...; I remember ...; it was ...
contrabass; double bass; bass
house; one's house; one's home; one's family
indiscriminately; blindly; at random; indiscriminate; random; excessive
nicely; properly; frequently; often; I'm glad that you ...; thank you for ...
to sound; to ring; to resound; to echo; to roar; to rumble
amateur; layman; respectable woman (i.e. not a prostitute, hostess, geisha); (arch.) unlicensed prostitute
to bring; to take (something) along; to fetch; to get
low (rank, degree, value, content, quality, etc.); low (position); close to the ground; short (height); deep (voice); in a low key
body; body blow (in boxing)
to earn (income); to make (money); to score (points, victory); to gain (time); to work hard (at one's job); to labor
(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
end (e.g. of street); tip; beginning; start; odds and ends; scrap
to reach; to touch; to be delivered; to arrive; to be attentive; to be scrupulous
to be in time (for); to serve (suit, meet) the purpose; to be good enough; to be enough
individual; separate; personal; case-by-case
various; all sorts of; variety of; (arch.) various colors (colours)
to play (games, sports); to enjoy oneself; to mess about (with alcohol, gambling, philandery, etc.); to be idle; to do nothing; to meet up (with friends); to hang out
extent; scope; sphere; range; span
to spread (out); to extend; to stretch; to reach to; to get around; to fill (e.g. a space)
I see; that's right; indeed
what's in one's heart; one's emotional state; what one feels
achievement; attainment; accomplishment; realization
to be lost (e.g. luggage); to be missing; to be used up; to be run out; to disappear (e.g. pain); to be lost (e.g. a dream, confidence)
in that respect; on that point; in that regard
to be saved; to be rescued; to escape harm; to be spared damage; to be helped; to be saved trouble
when it comes to ...; where ... is concerned; if it's the case that ...; if it turns out that ...; if it's true that ...
distinction; difference; separate; different; exception; exclusion
always; constantly; frequently; often; nonstop
to meet; to face someone; to co-star; to appear together; to be matched; to face against
light; well-lit; bright (of a colour); brightly-coloured; cheerful; bright; encouraging (for the future of a project, etc.)
collision; crash; running into; conflict; quarrel; clashing
rare; uncommon; not often seen
at that time; at that moment; then; on that occasion
to end; to come to an end; to close; to finish
(following a verb) to be sure to; to do (something) so that ...; to make sure to; to try to
perhaps; possibly; maybe; by some chance
class; order; et cetera; etc.; equal; iso-