老师总是提醒我们，要先把基本功练扎实。

Lǎoshī zǒng shì tíxǐng wǒmen, yào xiān bǎ jīběngōng liàn zhāshi.

The teacher always reminds us to first practice the basics solidly.

只有打下扎实的语言基础，才能进行深入的交流。

Zhǐyǒu dǎxià zhāshi de yǔyán jīchǔ, cáinéng jìnxíng shēnrù de jiāoliú.

Only by building a solid language foundation can you communicate in depth.

他的基础很扎实，所以学新东西很快。

Tā de jīchǔ hěn zhāshi, suǒyǐ xué xīn dōngxi hěn kuài.

His foundation is very solid, so he learns new things quickly.