Comparison with 没有
In comparisons “没有” (méiyǒu) means “not as … as”.
Basic structure
A + 没有 + B + adjective / adjective phrase
Meaning:
A is not as … as B
With 这么 / 那么
这么 (zhème) or 那么 (nàme) may precede the adjective, stressing that B has more of the quality.
A + 没有 + B + 这么 / 那么 + adjective
Meaning: A is not as … as B is.
Examples
儿子的个子没有他那么高。
Our son isn't as tall as he is.
儿子的个子 + 没有 + 他 + 那么 + 高
儿子的个子our son's height
没有not as … as
他he
那么that
高tall
昨天没有今天这么冷。
Yesterday wasn't as cold as today.
昨天 + 没有 + 今天 + 这么 + 冷
昨天yesterday
没有not as … as
今天today
这么this
冷cold
这块手表没有那块好看。
This watch isn't as good-looking as that one.
这块手表 + 没有 + 那块 + 好看
这块手表this watch
没有not as … as
那块that one
好看good-looking
Questions with 有
The affirmative of 没有 is 有 (yǒu). In this comparative sense 有 is used mostly in questions.
A + 有 + B + adjective + 吗?
Meaning: is A as … as B?
妹妹有姐姐高吗?
Is the younger sister as tall as the older one?
妹妹 + 有 + 姐姐 + 高 + 吗?
妹妹younger sister
有as … as
姐姐older sister
高tall
吗question particle
那件衣服有这件好看吗?
Is that piece of clothing as nice as this one?
那件衣服 + 有 + 这件 + 好看 + 吗?
那件衣服that piece of clothing
有as … as
这件this one
好看good-looking
吗question particle
Quick rule
Negative comparison: A + 没有 + B + adjective
A is not as … as B.
这块手表没有那块好看。— This watch isn't as good-looking as that one.
With 这么 / 那么: A + 没有 + B + 这么 / 那么 + adjective
A is not as … as B is.
昨天没有今天这么冷。— Yesterday wasn't as cold as today.
Question with 有: A + 有 + B + adjective + 吗?
Is A as … as B?
妹妹有姐姐高吗?— Is the younger sister as tall as the older one?