to leave one's footprints; to leave one's mark on; to leave a message (behind)
the teens (10-19); teenage; the tenth generation
in turns; in series; in number order; by rotation
memo; memorandum; note; (diplomatic) memorandum
weather; the elements; fair weather; fine weather
odds and ends; all; every
on rare occasions; once in a blue moon
April; fourth month in the lunar calendar
twelfth day of the month; twelve days
exemplar; model; example; pattern
twentieth day of the month; twenty days
twenty-eighth day of the month; twenty-eight days
seat; place; position; status; gathering; party; stand
attention; notice; care; caution; advice; warning
ought to do; have to do; must do; feel obliged to
June; sixth month of the lunar calendar
corner; edge; (street) corner; turning; rough edges (of one's character, words, etc.); abrasiveness
to break; to be broken; to be folded; to give in; to back down; to turn (a corner)
to feel depressed; to be down
sentimental; emotional; maudlin; mawkish
shooting star; falling star; meteor; blaze (wide white stripe down the face of a horse)
candidacy; standing as a candidate; bidding (to host an event, e.g. the Olympics)
August; eighth month of the lunar calendar
summer vacation; summer holiday
every (usu. with events, e.g. every weekend); each
to be commonly referred to as; as people say; as the saying is; they say
fifth day of the month; five days
hot; warm; passionate; impassioned; on everybody's mind; on the radar
sixteenth day of the month; sixteen days
coincidence; chance; by chance; unexpectedly; contingency
(swimming) pool; pool (billiards); pool (together)
to strike against; to collide with; to encounter; to meet; to clash
very much; very many; more and more
pluralizing suffix (esp. for people and animals; formerly honorific)
to play (games, sports); to enjoy oneself; to mess about (with alcohol, gambling, philandery, etc.); to be idle; to do nothing; to meet up (with friends); to hang out
one by one; each; every; at intervals of
opposite side; reverse; (on the) other hand
how long; how much; to what extent
pupil in ... year; student in ... year
light; illumination; glow; lamp; light
switching on and off (of a light); flashing; blinking; flickering
systematic; regular; routine
Morse code (esp. signalling)