心中有数 xīn zhōng yǒu shù

DEFINITIONS

  1. to know what's going on

CHARACTERS

心 xīn
HSK 3
heart; mind, intelligence; soul
中 zhōng
HSK 1
central; center, middle; in the midst of; hit (target); attain
有 yǒu
HSK 1
have, own, possess; exist
数 shù
HSK 3
number; several, count; fate