A 比 B + adj

A 比 B + adj
bǐ
than

It is a structure about comparing. For example,

我比你高。
Wǒ bǐ nǐ gāo。
I am taller than you.

他的中文比我的好。
Tā de Zhōngwén bǐ wǒ de hǎo。
His Chinese is better than mine.

And please make a note that “很 hěn” is a No in this structure.
If you want to emphasize that A is more adj than B, then you can use 更 gèng for it. For example,

我比你更忙。
Wǒ bǐ nǐ gèng máng。
I am (more)busier than you.