Meaning of dà dà:
大大
greatly; enormously
Zhè cì xīn jìshù de cǎiyòng jiāng dàdà tígāo shēngchǎn xiàolǜ.
这次新技术的采用将大大提高生产效率。
The adoption of this new technology will greatly improve production efficiency.
Zhège xiàngmù de chénggōng jiāng dàdà tígāo wǒmen de shēngyù.
这个项目的成功将大大提高我们的声誉。
The success of this project will enormously enhance our reputation.
(dialect) dad; uncle
Wǒ gěi wǒ de dà dà mǎi le yī jiàn chènshān.
我给我的大大买了一件衬衫。
I bought a shirt for my dad.
Wǒ qù kànwàng wǒ de dàdà, gěi tā dài le yīxiē shuǐguǒ.
我去看望我的大大,给他带了一些水果。
I went to visit my uncle and brought him some fruit.