s. wanting to eat or drink more than one can reasonably consume
a. 贪婪的, 贪得的, 贪吃的
1. She was so greedy that she took the last piece of cake without asking.
她太贪心了，没问就拿了最后一块蛋糕。
2. The greedy businessman wanted to make more money at any cost.
那位贪婪的商人想不惜一切代价赚更多的钱。
3. Being greedy can lead to problems in relationships.
贪心可能会导致人际关系中的问题。