零敲碎打

to do things in bits and pieces (idiom); piecemeal work

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 break down / to break into pieces / fragmentary

to hit / to strike / to tap / to rap / to knock / to rip sb off / to overcharge

zero / nought / zero sign / fractional / fragmentary / odd (of numbers) / (placed between two numbers to indicate a smaller quantity followed by a larger one) / fraction / (in mathematics) remainder (after division) / extra / to wither and fall / to wither