himself

pron.

（反身代词）他自己；（用以加强语气）他亲自，他本人；

by himself由他独力地

all by himself adv. 独自地

1. He is smart and can take care of himself.
   他很精明可以照顾他自己。
2. His new house was built by himself, brick by brick.
   他的新房子是他自己一块砖一块砖砌起来的。

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