efficiency; moment (i.e. magnetic moment)
to each his own; people differ; different people (have different likes)
chores; odd jobs; miscellaneous affairs; miscellaneous expenses
imposition (i.e. of rules, of a decision); compulsion
order; command; directions; instructions
racking one's brains; worrying oneself; being anxious
writing implement; writing tool
superior (in rank); top; higher order (e.g. byte); host computer (of connected device)
comprehension; understanding
review (of learned material); revision
chattering; talk; idle talk; chatty; talkative; chatterbox
working overtime; detention; being kept in (e.g. after school)
point of uncertainty; unclarified issue; doubt
fast approach; quick intimacy
to look downwards (at); to lower one's gaze; to drop one's eyes
to turn over; to turn pages of a book; to tear off; to strip off; to tear up
example sentence; illustrative sentence; model sentence
to blush; to go red in the face; to change color; to change colour
advance warning; previous notice; announcement; herald; harbinger; forerunner
patrolling; one's rounds; inspection tour; watchman; patrolman
to have a secret affair; to meet secretly (for two persons); to flirt with one another
eternal; unlimited; endless
special someone; special person; precious one; significant other
no wonder; little wonder; after all; as expected; which isn't surprising
optional; voluntary; arbitrary; arbitrary
fierce battle; hard-fought battle; hot contest; severe fight
recital (i.e. of music, by a pupil); presentation (e.g. product launch)
aggregate results; totalled results; collected results
every year; yearly; annually
vote; ballot; label; ticket; tag
up and down; lightly; nimbly; casually; (strolling about) without a care
to gain a reliable foundation and be in a safe condition; to rest easy; (lit.) to board a large ship
beating (of the heart, with joy, excitement, etc.); palpitation; throbbing; pounding; fluttering
free-for-all; open-to-all; optional (to participate in); non-compulsory
public acknowledgment; public acknowledgement; public recognition; commendation; awarding
honorable certificate; honourable certificate
over-optimistic calculation; counting one's chickens before they're hatched