如数家珍 rú shǔ jiā zhēn

DEFINITIONS

  1. lit. as if enumerating one's family valuables (idiom)
  2. fig. to be very familiar with a matter

CHARACTERS

如 rú
HSK 3
if, supposing; as if; like, as
数 shǔ
HSK 3
number; several, count; fate
家 jiā
HSK 1
house, home, residence; family
珍 zhēn
HSK 5
precious, valuable, rare