動詞 eat up:

1. finish eating all the food on one's plate or on the table
   同義詞：finish, polish off
2. use up (resources or materials)
   同義詞：consume, use up, eat, deplete, exhaust, run through, wipe out
3. enclose or envelop completely, as if by swallowing
   同義詞：immerse, swallow, swallow up, bury

1. He was so hungry that he ate up his meal at a stretch.
   他太饑餓了，一口氣就把飯吃光了。
2. Boys, eat up your food.
   孩子們，把飯吃光吧。
3. Eat up your vegetables.
   把你的青菜吃光。