while; during; while; although; all; both
premises; grounds; campus; compound; precincts
good; excellent; sufficient; enough; profitable (deal, business offer, etc.); beneficial
again; once more; a second time
to leak out; to escape; to find expression; to give vent; to leak out; to be divulged
classroom; lecture room; department (in a university); class; lessons; school (for a particular discipline)
always; all the time; never; usual; regular
seat; location (of a gathering, etc.); place; position; post
to open (e.g. doors); to open (e.g. business, etc.); to be empty; to be vacant; to be available; to be open (e.g. neckline, etc.); to have been opened (of one's eyes, mouth, etc.)
teacher's desk; teacher's lectern
row; line; group (of peers); ranks (of); sequence; series (taxonomic rank)
right; right-hand side; right hand; the above (in a piece of vertical writing); above-mentioned; the right (wing)
home position; origin; usual place (for something)
so; like this; in this way; this much; to this extent
direction; way; side (of an argument, etc.); one's part; type; category; field (of study, etc.)
to sit (down); to have a seat; to be seated; to assume (a position); to take on (a duty); to occupy (a post)
student (esp. a university student)
almost; nearly; hardly; barely; large majority; large proportion
to be (animate); to be; to be ...-ing; to have ...-ed; to be ...-ed; to (have the audacity to) do
few; little; small (amount); low; scarce; insufficient
tension; strain; tensions (between countries, groups, etc.); tonus; muscle tone
nodding; greeting (with eyes)
to slide into; to slip into
to slip into; to crawl into (under); to conceal oneself (under); to sneak into; to infiltrate
attendance; presence; appearance
card (information, filing, etc.); card (greetings, congratulations, etc.); (Western) playing cards; credit card; debit card; card; program
to let pass; to allow through; to transmit (e.g. light, sound, etc.); to conduct (electricity); to stick through (e.g. a hole); to force through (e.g. an opening); to connect (e.g. two places)
with a feeling of relief; with a sigh of relief; deeply (sigh)
to take a breath; to take a short rest
to be noisy; to be astir; to be abuzz; to be in commotion; to be aflutter; to be unsettled
recess; break time; break between classes; free period; recess time; recreation hour
air; atmosphere; mood; situation; someone with no presence; someone who doesn't stand out at all
preparation; arrangements; getting ready; provision; setup; reserving
to finish; to end; to have a result less severe than expected; to feel at ease; to feel unease or guilt for troubling someone; to be sorry
dimly; faintly; absentmindedly; vacantly; idly; aimlessly
to look at; to gaze at; to look out over; to get a view of; to look on (from the sidelines); to stand by and watch
alright; all right; right on; looking good; OK; okay
to make a fist; to clench one's fist
lively; full of spirit; energetic; healthy; well; fit