all by的用法和樣例：
例句
- Her sudden resignation took us all by surprise.
她突然辭職，我們都為之愕然。 - He is calmest (=very calm) when he is all by himself.
他一人獨處時(shí)極為平靜。 - He bored us all by talking for hours about his new house.
他連續幾個(gè)小時(shí)大談他的新房子，使我們大家都厭煩透了。 - We finished the job all by ourselves.
我們全靠自己完成了這項工作。 - He did it all by himself!
他獨自一人做了這件事。 - Do they live all by themselves in that big house?
他們是不是單獨住在那座大房子里？ - He lives all by himself in that large house.
他獨自一人住在那所大房子里。
