嘀嘀咕咕

zhè lǎo tài tai lǎo shì dí dí gū gū

这老太太老是嘀嘀咕咕。

The old lady was forever grumbling.

jǐ miǎo zhōng hòu wǒ tīng dào tā ná kāi le huà tǒng zài yī páng dí dí gū gū de jiē zhe bàn gōng shì li de měi gè rén dōu zài kuáng xiào

几秒钟后，我听到她拿开了话筒，在一旁嘀嘀咕咕的，接着办公室里的每个人都在狂笑。

A few seconds later, I heard her take off the microphone and mutter, and then everyone in the office was laughing wildly.