eat something away/eat away at somethingto damage or destroy something slowly over a period of timeधीमे-धीमे कुछ लंबे समय तक किसी वस्तु को नुक़सान पहुँचाते रहना या नष्ट कर देना
The sea had eaten away at the cliff.
eat outto have a meal in a restaurantकिसी रेस्तराँ में भोजन करना