心裡有數 [－里－数]

Jyutping sam1 leoi5 jau5 sou3
Pinyin xīn li yǒu shù

Definitions (Wiktionary)
  1. phrase, idiomatic
    to know very well in one's heart (e.g. what to do next, whether it is likely to succeed, etc.); to know the score
    (syn.) 心中有數, 心中有数

心裡有數 [－里－数]

Jyutping sam1 leoi5 jau5 sou3
Pinyin xīn lǐ yǒu shù

Definitions (CC-CEDICT)
  1. to know the score (idiom)
  2. to be well aware of the situation