他独自一个人
He is all alone
以上为机器翻译结果，长、整句建议使用 人工翻译 。
全都是他独自一个人干的。
He was doing it all by himself.
《柯林斯英汉双解大词典》
他独自一个人住在这栋房子里。
He lives in the house by himself.
youdao
可能他独自一个人还有别的什么原因。
Maybe there's another reason he was standing alone.
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