undulation; winding; meandering; swell (of waves); ground swell; surge
to one's heart's content; as much as one wants; as hard as one can; resolution; decisiveness; determination
ennui; languishing; feeling of exhaustion; lassitude; lethargy
to be out of breath; to breathe hard (e.g. during physical activity); to pant
to become quiet; to quiet down; to quieten down; to calm down; to die down; to subside
angrily; in a huff; in anger; plump; tender
to spend; to expend; to waste; to squander; to devote
before I knew it; next thing you know; when I came to; all of a sudden
sparse; thin; scattered; straggling; sporadic
wet wipes; moist towelette; baby wipes
three-legged race; cooperation with singleness of purpose (e.g. between companies); operating in tandem
elementary school student; primary school student; grade school student
therefore; for that reason; such being the case
company; lot; people; troupe; company (of musicians)
to have been decided (so) that; to have been arranged (so) that
athletic meet (esp. at a school); sports day; field day; sports festival
gathering; meeting; assembly; collection; attendance
to concern; to be related
at this juncture; after all this time; at this stage; now
monopoly; monopolization; exclusivity; hogging; keeping to oneself
making out; necking; canoodling; fondling; flirting
boastful talk about one's love life; speaking fondly about one's sweetheart; going on about one's love affairs
as (much) as possible; as (much) as one can; wherever practicable; if possible
shh!; shush!; hush!; shoo!; scram!
it's different when ... but; it's not so bad when ... but
to separate (by distance, time, etc.); to isolate; to interpose; to have between; to alienate; to estrange
collapse; crumbling; breaking down; (radioactive) decay; disintegration
implication; hidden meaning; latitude; atmosphere; tone; sentiment
busiest and most profitable business period; peak season
whirl of busyness; flurry of activity; being rushed off one's feet; having a very busy time (doing)
fight; fighting spirit; fight!; do your best
(staying) one night; overnight stay; overnight rental; per-night rental
matchless; peerless; unequaled; unequalled; unparalleled; unrivaled
departure; departing from ...; sent from ...; (a letter, etc.) dated ...; counter for engines (on an aircraft); counter for gunshots, bursts of gas, etc.
to let slip a secret; to let the cat out of the bag
experienced; already had an experience (with something)
restoration; recovery; rehabilitation; recovery (from an illness); recuperation; convalescence