积于忽微 jī yú hū wēi

DEFINITIONS

  1. to accumulate tiny quantities (idiom)

CHARACTERS

积 jī
HSK 4
accumulate, store up, amass
于 yú
HSK 3
in, on, at; go to; surname
忽 hū
HSK 5
suddenly, abruptly; neglect
微 wēi
HSK 4
small, prefix micro-, trifling