You finished an entire plate very quickly.

你很快就吃完一整盘了。

Trot finished the plate of candy herself and then asked for a drink of water.

小跑自己吃完了那盘糖果， 然后要了一杯水。

She finished a second plate, got up, and looked about her, as though she were going to start.

她吃完第二个盘子，站起来，环顾四周，好像要开始了。