自私自利 selfish and self-interested
Explanation
指只顾自己，不顾他人利益的行为。
Refers to behavior that only considers oneself and disregards the interests of others.
Origin Story
从前，有两个兄弟一起种田。哥哥勤劳善良，总是想着如何提高产量，把收成分给家人和乡邻。弟弟则自私自利，只顾自己，把最好的田地都占为己有，还经常偷懒。后来，一场旱灾袭来，哥哥的田地虽然也受损，但他积极想办法抗旱，还帮助其他村民，最终渡过难关。弟弟则因为自己的自私，田地颗粒无收，还因此与村民闹矛盾，最终落得个孤苦伶仃的下场。
Once upon a time, there were two brothers who farmed together. The elder brother was diligent and kind, always thinking about how to increase yield and share the harvest with his family and neighbors. The younger brother, however, was selfish and self-centered, keeping the best land for himself and often being lazy. Later, a drought struck, and although the elder brother's fields were also damaged, he actively sought ways to combat the drought and helped other villagers, ultimately overcoming the hardship. The younger brother, however, because of his selfishness, had no harvest and quarreled with the villagers, ultimately ending up lonely and destitute.
Usage
形容人只顾自己的利益，不考虑他人。
Describes a person who only considers their own interests and does not consider others.
Examples
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他做事总是自私自利，从不替别人着想。
ta zuòshì zǒngshì zìsī zìlì, cóng bù tì biérén zhuóxiǎng.
He always acts selfishly and never thinks of others.
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这个人太自私自利了，只顾自己得好处。
zhège rén tài zìsī zìlì le, zhǐ gù zìjǐ de hǎochù.
This person is too selfish, only cares about their own benefits