精打細算

meticulous planning and careful accounting (idiom)

dozen (loanword)

to beat / to strike / to hit / to break / to type / to mix up / to build / to fight / to fetch / to make / to tie up / to issue / to shoot / to calculate / to play (a game) / since / from

to regard as / to figure / to calculate / to compute

essence / extract / vitality / energy / semen / sperm / mythical goblin spirit / highly perfected / elite / the pick of sth / proficient (refined ability) / extremely (fine) / selected rice (archaic)

thin or slender / finely particulate / thin and soft / fine / delicate / trifling / (of a sound) quiet / frugal