So how does this work, you gonna balance the plates on these little guys' heads?

那么怎么用它呢，你得把餐盘平衡在这些小人头上吗？

She was balancing a plate of food on her knees.

【balance】她把一盘食物稳稳地放在膝上。

He balanced the plate on the top of a pile of books.

【pile】他把盘子在一摞书上放稳。