all by himself

漢語翻譯

例句：

1. He did it all by himself!
   他獨自一人做了這件事。
2. That boy is in a world all by himself. He never knows what is happening around him.
   那男孩總是只顧自己，從不知道周圍發生的事情。
3. He lives all by himself in that large house.
   他獨自一人住在那所大房子裡。
4. He is calmest (=very calm) when he is all by himself.
   他一人獨處時極為平靜。