Tā jiànfèngchāzhēn de zuò jiāwù, yīdiǎn shíjiān dōu bù làngfèi.
She fits housework into every spare crack of time, not wasting a minute.
Tips
memory
Literal: 'see a crack, stick a needle in'. A vivid image — someone who won't let any scrap of time or space go unused. Mostly positive (praise for efficiency), occasionally mildly teasing about nosiness.