to come out; to appear; to turn up; to go out for a while
that is to say; that is; in short; in brief; clogging; obstruction; shrinkage
at that time; at that moment; then; on that occasion
reason; cause; meaning; sense; (good) sense; reason
if; in case; as for; on the topic of; if that's the case; if so
simple; easy; uncomplicated; brief; quick; light
speaking of ...; when it comes to ...; as for ...; if one were to say ...
one way or another; in many ways; in various ways
sewer; sewer system; sewerage; drain
various; varied; diverse; all sorts of
drainage; draining; pumping out (water); displacement
to mix (with); to be mixed (together); to be mingled
to go by; to go past; to run (between; of a rail service, bus route, etc.); to operate (between); to go indoors; to go into a room; to penetrate
direction; way; side (of an argument, etc.); one's part; type; category; field (of study, etc.)
there is no need to ...; never happens; there is never a time when
language; dialect; word; phrase; speech; (manner of) speaking
to return; to come back; to turn over; to become extremely; to become completely
to get dirty; to become dirty; to become sullied; to become corrupted; to lose one's chastity
indicates emotion or admiration; indicates emphasis; I; me; wah!; boo!
behavior; behaviour; manner; attitude; bearing
state; condition; situation; appearance; circumstances
concise; brief; succinct; compact (style)
occasion; time; circumstances; (in) case (of); when
flight; desertion; escape
course; route; path; process; stages
as (i.e. in the role of); for (i.e. from the viewpoint of); apart from ... (used to change the topic); even (e.g. "not even a single person"); thinking that ...; trying to ...
use; utilization; utilisation; application
whole; entirety; to begin with; in the first place; ... the heck (e.g. "what the heck?"); ... in the world (e.g. "why in the world?")
to examine; to look up; to investigate; to check up; to sense; to study
to satisfy (conditions, one's appetite, etc.); to meet (e.g. demands); to fulfill; to fill (e.g. a cup); to pack; to supply
any; anything; whatever; I am told; I hear; I understand
circumference; outskirts; environs; (computer) peripheral
perception; sensation; awareness
though; although; be that as it may; nonetheless
extent; scope; sphere; range; span
strong and weak points; likes and dislikes; strengths and weaknesses
but (still); and yet; nevertheless; even so; notwithstanding
part; portion; amount; worth (as in "two days' worth"); one's means; one's place; one's duty
approximately; about; to (about) the extent that; (almost) enough that; as ... as ...; like
enough; sufficient; sufficiently; fully; division into ten
what; how; what (a) ...!; how ...!; surprisingly; to my amazement
a short while ago; a moment ago; just now; some time ago
when it comes to ...; if one were to speak of ...; by ... you mean ...; when you say ... you mean that ...; whenever ...; if it's ... then (without fail)
generally; on the whole; general; rough; outline; main points
because; as; since; because of that; therefore; accordingly
goes without saying; needless to say; obvious