Dictionary entry: 摇晃
Pronunciation: yáo bǎi
Interpretation: ① Describing uncertainty of ideas. ①The appearance of walking unsteadily. ③ The look of being frankly self-complacent.
After reading the dictionary's explanation, I believe you already understand why I would say that the teacher of this topic is uneducated. If you simply just want to write the essay as required without being reprimanded, then well, just write what the teacher wants, and ask him first what he wants you to write.