4 sentences

1. 我妈妈总是在我耳边唠叨。

   wǒ mā​ma zǒng​shì zài wǒ ěr​biān láo​dao.

   My mother is always nagging me.

   Source: Dong Chinese Dictionary

2. 别唠叨了。

   bié láo​dao le.

   Stop nagging.

   Source: OpenSubtitles

3. 你就别再唠叨了，这件事我已经知道错了。

   nǐ jiù bié zài láo​dao le, zhè jiàn shì wǒ yǐ​jīng zhī​dào cuò le.

   Stop nagging; I already know I was wrong about this.

   Source: Dong Chinese Dictionary

4. 那位老人家虽然有点唠叨，但心肠很好。

   nà wèi lǎo​rén​jiā suī​rán yǒu​diǎn láo​dao, dàn xīn​cháng hěn hǎo.

   That old man is a bit of a chatterbox, but he has a heart of gold.

   Source: Dong Chinese Dictionary