心里有数 (xīn lǐ yǒu shù) — to know the score; to be well aware of the situation

A drawing of the thing itself, worn down over three thousand years into a few strokes.

The shape of 心 comes from a drawing of a heart, now highly stylized.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 裡; 里 is its simplified writing.

The simplified 里 stands for more than one traditional character. In most words (里, 里面) it is 裡; in others (公里) it is 里 or 裏.

The form 裡 pairs 衤 (clothes) with 里 as a sound component.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

The form 有 combines 又, used for its sound, with a shape from 肉, 'meat'; the hand-holding-meat story is a folk explanation, not shown in the oldest shape.

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 數; 数 is its simplified writing.

The traditional form 數 pairs 攴, the meaning part, with 婁, the sound part; the simplified 数 is a shorthand.