A + 比 + B + Adjective
比 is used to compare two things, stating that one has more of a quality than the other. The item being compared comes first, followed by 比 and the second item, then the adjective. For example, 他比我高 means "He is taller than me."
今天比昨天冷多了。
jīntiān bǐ zuótiān lěng duō le.
Today is much colder than yesterday.
坐地铁比开车快。
zuò dìtiě bǐ kāichē kuài.
Taking the subway is faster than driving.
她的中文比我好。
tā de zhōngwén bǐ wǒ hǎo.
Her Chinese is better than mine.