oneself /ˌwʌnˈsɛlf/ pronoun Learner's definition of ONESELF
formal
1
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used as the object of a verb or preposition when one is the stated subject or is understood to be the subject自己，自身（one做主语时，oneself用作动词或介词的宾语） -
One can easily teach oneself how to sew.自学缝纫很容易。
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It is not wrong to congratulate oneself.为自己庆贺并没有错。
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when one discovers how different others are from oneself当一个人发现别人与自己多么不同的时候
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One usually associates with people of the same age as oneself.人们通常与自己年纪相仿的人交往。
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It is important to have good feelings about oneself.重要的是要自我感觉良好。
2
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used for emphasis to refer again to the subject when one is the subject本人，自己，亲自（one做主语时，用于再次强调前文提及的主语）