ph.

1. 吃光;吃完
When you eat up your food, you eat all of it.

2. 耗费（大量金钱、时间或资源）
If something eats up money, time, or resources, it uses them or consumes them in great quantities.

1. use up (resources or materials)

e.g. this car consumes a lot of gas
We exhausted our savings
They run through 20 bottles of wine a week

Synonym: consumeuse upeatdepleteexhaustrun throughwipe out

2. finish eating all the food on one's plate or on the table

e.g. She polished off the remaining potatoes

Synonym: finishpolish off

3. enclose or envelop completely, as if by swallowing

e.g. The huge waves swallowed the small boat and it sank shortly thereafter

Synonym: immerseswallowswallow upbury