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be selfish
基本用法，表示某人自私。
He is selfish.
他很自私。
自私的
先理解核心含义，再看它在真实句子里的用法。
自私的
concerned primarily with one's own interests and benefits, often at the expense of others
He is selfish.
他很自私。
以自身利益为决策标准。
Holding one's own self-interest as the standard for decision making.
主要或只关心自己及其利益,而排斥他人
concerned chiefly or only with yourself and your advantage to the exclusion of others; - Maria Weston Chapman
过度或只关注自身福祉、利益或快乐,很少或根本不考虑他人。
Having excessive or exclusive regard and concern for one's own well-being, profit or pleasure, with little or no consideration for others.
(电子游戏角色)依靠自身行动和能力在游戏中发挥作用,而非依赖其他角色。
Of video game characters: relying on their own actions and capabilities to be effective in the game, rather than on other characters.
He is too selfish to share his toys.
他太自私了，不愿分享他的玩具。
AI contextual example
It was selfish of her to take the last piece of cake.
她拿走最后一块蛋糕是自私的。
AI contextual example
I don't want to be selfish, but I need some time alone.
我不想自私，但我需要一些独处的时间。
AI contextual example
Selfish men were...trying to make capital for themselves out of the sacred cause of civil rights
自私的人......企图利用神圣的民权事业为自己捞取资本
WordNet
基本用法，表示某人自私。
He is selfish.
他很自私。
用形式主语it，不定式短语作真正主语，of引出行为主体。
It was selfish of him to eat all the cake.
他把蛋糕全吃了，真是太自私了。
用with或about引出具体方面。
She is selfish with her time.
她在时间上很自私。
Not this
He is a selfish.
Use this
He is selfish.
在英语中，不定冠词 'a' 后面必须跟名词，不能直接修饰形容词。'selfish' 是形容词，不能单独被冠词修饰，正确用法是去掉冠词，直接用形容词作表语。
Not this
He shows selfish.
Use this
He shows selfishness.
'selfish' 是形容词，不能作动词 'shows' 的宾语。表示“表现出自私”需要用名词形式 'selfishness' 作宾语。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
自私的人
He is a selfish person who only cares about himself.
他是一个只关心自己的自私的人。
自私行为
Selfish behavior can damage relationships.
自私行为会损害关系。
自私动机
She helped him with a selfish motive.
她帮助他是出于自私的动机。
自私的原因
He did it for selfish reasons.
他做这件事是出于自私的原因。
自私的行为
Leaving without saying goodbye was a selfish act.
不告而别是一种自私的行为。
我太自私了，我想独占你。
In the song 'Selfish' by Justin Timberlake, he sings about his selfish desire.
在贾斯汀·汀布莱克的歌曲《Selfish》中，他唱出了自己自私的渴望。
自私才是新的无私。
This line from the TV show 'The Good Place' challenges the concept of selfishness.
这句来自电视剧《善地》的台词挑战了自私的概念。
Use selfish naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
self（自己）+ fish（鱼），自私的人只顾自己吃鱼，不顾他人。
通常用于日常对话和书面语，中性偏负面，多用于批评或评价他人自私行为。
常用于It is selfish of sb to do sth或sb is selfish in doing sth结构。
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.