keen eye; sharp eye; keen insight; keen perception
famous piece of music; excellent song; (musical) masterpiece
cutting edge; leading edge; forefront; tip; end
engineer; technical expert; technician; craftsperson
from ancient times; from old times; from time immemorial
possibility; potential; expandability
adhering to; being a stickler for; being particular about; worrying too much about
realistic; practical; feasible
speaking by proxy; speaking for (someone else); payment by proxy; compensation by proxy; acting for (someone else); carrying out (on someone's behalf)
to expose; to disclose; to lay bare; to confess
to poke fun at; to make fun of; to send up
to allow a less skilled person to practice with one (esp. in sumo)
crying loudly; bawling; wailing; crying one's eyes out (without making noise); breaking into a flood of tears; crying buckets
to bud; to sprout; to arise; to begin to grow
attending (school, college, etc.); being enrolled; being a student
going side-by-side; going abreast; running concurrently; occurring at the same time; keeping pace with
role of a company president
to put on track; to make go to plan; to put into orbit; to send into orbit
to make a great fuss; to raise a hue and cry; to make an uproar; to clamour
text at the foot of a page, document, screen, etc.
to speak unanimously; to speak in chorus; to speak in unison; to speak in one voice
begging; pestering; pleading; coaxing
fickle nature; flighty temperament; inconstant person
logistic curve; growth curve
giving something a try because it will not do any harm
to break; to smash; to defeat; to destroy; to eliminate
mission; errand; task; duty; obligation
to leave (something) unused; to not use completely; to leave money unspent
friendly fire; killing each other by mistake; internecine strife
savage; barbarous; barbaric; uncivilized; uncivilised
youthful indiscretion; youthful enthusiasm; youthful excess
logistical support; combat service support
show one's real ability; illustration of the distinctive character of (something)
direct transaction; spot transaction
stock; inventory; having in stock; being in stock
headquarters; head office; main office
it can't be helped; there is no choice; inevitable; unavoidable
slip; omission; upshot; denouement; punch line (of a joke)