心里有数

心裡有數
xīnlǐyǒushù
idiom #23,310

Meanings

  1. 1 to know the score
  2. 2 to have a clear idea in mind
  3. 3 to know what's going on

Examples

Nǐ xīnlǐ yǒu shù ma? Zhè jiàn shì hěn fùzá.
Do you know what you're dealing with? This matter is quite complicated.
Tā biǎomiàn shàng bù shuō, qíshí xīnlǐ yǒu shù.
He doesn't say it out loud, but he knows the score.
Kǎoshì qián tā yǐjīng xīnlǐ yǒu shù, xiōng yǒu chéng zhú.
Before the exam she already had a clear picture in her mind and was fully confident.

Tips

memory
心里 (in the heart/mind) + (have a count / have numbers) — imagine having all the numbers tallied up in your head already. You know exactly how things stand.

Stroke Order

xīn
yǒu
shù