这次采访让我们对他的生活有了更深入的认识。

Zhè cì cǎifǎng ràng wǒmen duì tā de shēnghuó yǒu le gèng shēnrù de rènshi.

This interview gave us a deeper understanding of his life.

这个问题很复杂，我们需要深入讨论一下。

Zhè ge wèntí hěn fùzá, wǒmen xūyào shēnrù tǎolùn yíxià.

This problem is very complicated; we need to discuss it in depth.

如果你想学好汉语，就要深入地练习听说读写。

Rúguǒ nǐ xiǎng xuéhǎo Hànyǔ, jiù yào shēnrù de liànxí tīngshuō dúxiě.

If you want to learn Chinese well, you must practice listening, speaking, reading, and writing in depth.