2 sentences

1. 做一条乖乖的狗并没有用。

   zuò yī tiáo guāi​guāi de gǒu bìng méi​yǒu yòng.

   Being a good dog didn't work.

   Source: OpenSubtitles

2. 机器人乖乖地看着他们，然后回头看。

   jī​qì​rén guāi​guāi de kàn zhe tā​men, rán​hòu huí tóu kàn.

   The robot obediently looked at them, then looked back.

   Source: CCMatrix