covert action; covert operations
composition; construction; formation; makeup; structure; organization
tumult; great noise; clatter; hustle and bustle
right in the midst of; right at the height of
to do in place of or on behalf of (someone)
noisy; loud; annoying; troublesome; fussy; finicky
to place in a row; to line up; to list; to enumerate; to talk a lot of nonsense; to tell a lot of lies
impossible to understand; impossible to decipher
to be in a tizzy; to be in a frenzy; to have one's eyes light up; to have a different look in one's eyes
to become serious; to take something seriously (joke, teasing); to become irritated or angry (usu. at something trivial); to get worked up
bittersweet; having mingled feelings of joy and sorrow; joy and sorrow alternating in one's heart
to restrict; to limit; to be restricted to; to be limited to; to be best (for); to be the best plan
strangeness; abnormality; disorder
zeal; enthusiasm; ardor; ardour
hustle and bustle; throng; crowd; congestion; traffic jam
hallway slippers; indoor shoes
to hang (something) on (something); to throw on (clothes); to hook; to catch; to cheat; to evade payment; to drink (alcohol)
learning; acquisition (of a skill, knowledge, etc.)
classroom; lecture room; department (in a university); class; lessons; school (for a particular discipline)
set of three; three sets; three classes
student number (for seating, etc. in class)
student's handbook; small notebook that also acts as a student ID
hi!; yo!; hey man!; hey dude!
ahead; before; the future
flapping; rattling (sound); noisily; commotion; kerfuffle
to run into; to rush into; to (run and) seek refuge in; to take shelter in
to set foot into; to enter; to step inside; to cross the threshold
person concerned; interested party; related party
opinion; point of view; visual point
textbook; coursebook; schoolbook
notebook; copy-book; note; noting down; (musical) note; laptop (computer)
to transcribe; to duplicate; to describe; to film; to picture
scrawl; scribble; graffiti; doodle
to lean against each other; to rely on each other; to depend on each other; to scratch each other's backs
to harden; to solidify; to become firm; to become certain; to gather (together); to assemble
energy; energy; strength; energy source; energy resource; food energy
to be full of (e.g. adventure, youth, energy); to be overflowing with
if anything; if pushed I'd say; if I had to say
like; similar to; as with; in the same way
dizziness; giddiness; vertigo