Introduction:
To say that A is "more [adjective]" than B, you use the comparison word 比 (bǐ). This structure is fundamental for describing differences between people, things, or places.

The Core Structure:
A + 比 + B + Adjective

This simple structure means "A is more [adjective] than B."

Examples:

1. 北京比上海冷。
   (Běijīng bǐ Shànghǎi lěng.)

• Beijing is colder than Shanghai.

2. 我的哥哥比我高。
   (Wǒ de gēge bǐ wǒ gāo.)

• My older brother is taller than me.

3. 今天比昨天忙。
   (Jīntiān bǐ zuótiān máng.)

• Today is busier than yesterday.

How to Add a Degree:
If you want to say how much more, you can add a degree phrase before the adjective.

• A + 比 + B + [Degree] + Adjective

• Common degree words: 还 (hái - even more), 更 (gèng - even more), 得多 (de duō - much more), 一点 (yīdiǎn - a little)

• 他比我高得多。 (Tā bǐ wǒ gāo de duō.) - He is much taller than me.

• 这本书比那本贵一点。 (Zhè běn shū bǐ nà běn guì yīdiǎn.) - This book is a little more expensive than that one.

Negative Form:
To say "A is not more [adjective] than B," you use 没有 (méiyǒu).

• A + 没有 + B + Adjective

• Example: 上海没有北京冷。 (Shànghǎi méiyǒu Běijīng lěng.) - Shanghai is not colder than Beijing. (Meaning: Shanghai is warmer than Beijing).

Practice:
Compare two of your friends or family members using 比.
(Example Answer: 我爸爸比我妈妈高。)