自私自利

例句：

1. 1.He was always selfish and never thought about others' needs.
   他总是自私，从不考虑别人的需求。
2. 2. She is selfish and only cares about her own happiness.
   她很自私，只关心自己的幸福。
3. 3. The selfish businessman didn't care about the workers' well-being.
   这个自私的商人不关心工人的福祉。