layer; stratum; class; stratum; sheaf; counter for stories (of a building)
historic ruins (remains, relics); archeological site
convenient; handy; useful
plain; simple; reserved (behaviour, attitude, etc.); modest; quite; a (little) bit
to be much obliged (to someone); to receive favor (favour); to be indebted; to be grateful
survival; remaining; being extant; being left
transmission of electricity; electricity supply; power supply
equipment; facilities; installation; accommodations; conveniences; arrangements
to be lacking in options; to be too few
to be buried; to be covered; to overflow; to be crowded; to be repaid (e.g. debt); to be replenished
(looking) blankly; vacantly; dazedly; (staring) in puzzlement; with a look of amazement
mosaic; pixelated obscuring in images and video, usu. for censorship
leaving as is; leaving alone; leaving to chance; neglecting; abandoning
to run into (room, building, etc.); to go for long training runs
to gulp down; to swallow deeply; to understand; to take in; to engulf; to swallow up
(not) in any way; (not) at all; (none) whatsoever; what kind of
right; correct; proper; righteous; just
doubt; suspicion; misgivings; scruples
clique; group; (political) faction; wing; school; sect
to weigh on one's mind; to bother one; to be interested (in); to be curious (about); to feel like (doing); to feel inclined to
pin (e.g. hairpin, bowling pin, golf pin, etc.); one (on dice, in cards, etc.); beginning; best; kickback
to stop; to turn off; to park; to prevent; to suppress (a cough); to stop (someone from doing something); to dissuade
opposite side; reverse; (on the) other hand
unnatural; artificial; affected; strained
circumstances; condition; to arrange; to manage; to lend money; to raise money
science and technology; scientific technique
being dotted with; being scattered
maintenance checkup; maintenance and inspection
thesis; essay; treatise; paper; article
teacher (to whom one owes a debt of gratitude); mentor; one's former teacher
graduate of the same school; fellow alumnus; (former) schoolmate
marking; grading; scoring
valuation; appraisal; evaluation; appreciation; recognition; acknowledgement
spicy; hot; salty; harsh (criticism); severe (punishment); painful
before one's eyes; in front of one; under one's nose; immediate; imminent; around the corner
considerably; fairly; quite
to grow wild; to run to waste; to become rough (of art, craft, etc.); to lose refinement; to intensify (of wind, rain, etc.); to become more severe
tune; tone; vein; mood; condition; state of health
to fall down; to drop; to be omitted; to be missing; to decrease; to sink; to fail (e.g. exam or class)
to sniff out; to get wind of