all 为副词词性
all by himself
. 独自地
1.He preferred to stand here quietly all by himself and think.
他要静静的独自想一想。
2. He went to the bandits' lair all by himself !
他独自一人闯了土匪窝。
3. After all, does one man build a car all by himself?
说到底,一个人能光靠自己造出一部汽车来吗?
4. He can't manage all this by himself.
他一个人忙不过来。
5. He psyched it all out by himself.
他自己对它完全以心理分析方法分析出来。
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