The structure 大A大B
The structure 大A大B 
is used in colloquial speech to indicate a high degree or large scale of something.
In the above construction, "A" and "B" are replaced by one-syllable nouns, adjectives or verbs.
is used in colloquial speech to indicate a high degree or large scale of something.
In the above construction, "A" and "B" are replaced by one-syllable nouns, adjectives or verbs. Pay attention
These are set expressions that need to be memorized.
The most commonly used phrases are the following:
大红大绿
大模大样
大手大脚
大起大落
大吵大闹
大吃大喝
大模大样
大手大脚
大起大落
大吵大闹
大吃大喝 Examples
这个月真是大起大落
This month has been full of changes
zhè ge yuè zhēnshi dà qǐ dà luò
我大手大脚花了一笔钱买了两套新衣服
I've spent a fortune on two new suits
wǒ dà shǒu dà jiǎo huā le yì bǐ qián mǎi le liǎng tào xīn yīfu
你的这个大吃大喝的习惯我们怎么办？
What should we do with your eating habits?
nǐ de zhè ge dà chī dà hē de xíguàn wǒmen zěnme bàn