In 1989, Tim Berners Lee invented the World Wide Web all by himself.
1989年，蒂姆·伯纳斯·李发明了万维网，这完全是他自己发明的。
He was doing it all by himself.
全都是他独自一个人干的。
他独自一人生活。
Xu has learned English all by himself.
徐是自学英语的。
Nobody taught my grandpa how to use WeChat, so he learned it all by himself.
没有人教过我的祖父怎样使用微信，所以他全靠自学。
He did extra chores for his parents and raised $70 all by himself.
他为父母做额外的家务，独自筹集了70美元。
Maybe there is no music, so it's just kind of dancing in the middle of a cookie sheet all by himself.
也许根本没有音乐，所以这就像是他自己在烤盘中间跳舞。
他独自一人做了这件事。
Now he's going to America all by himself.
现在，他自己一个人要到美国去了。
He became an oil baron-all by himself.
他白手起家，成为一名石油大王。
The boy made a model plane all by himself.
这个男孩完全独自一人做了一架航模。
He lived in a tiny cottage all by himself.
他们住在山脚下的一所小屋里。
I trusted my child to do it all by himself.
我放手让孩子自己去干。
He constructed all by himself his dream city.
只独自把他理想中的都城建作。
I doubt that he created the degree all by himself.
我怀疑那种他学位造假的说法。 揭示一下：两个都是“怀疑”，suspect是肯定——怀疑有什么事，doubt是否定性质疑某件事。
He was going to eat it all by himself at home.
他准备要在家里独自享用。
Little Joey painted his picture all by himself.
乔伊自己一个人画完了他的图画。
And he has to face all the risks all by himself.
还有，他必须独自面对所有的风险。
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？
I suspect that he created the degree all by himself.
我怀疑他得学位的那个大学是否存在。
We can't just leave the little guy here all by himself.
我们可不能把这个小家伙自己留在这儿。
He declared that he had finished the work all by himself.
他声称他一个人完成了这项工作。
Einstein learned advanced mathematics all by himself at 13.
爱因斯坦13岁就能自学高等数学了。
None. He's all by himself. Apparently he doesn't need a spotter .
没有，他总是一个人，很明显，他不需要观察员。
He determined to repair the shabby roof of the house all by himself.
他决定自己一个人修理破屋顶。
He wanted to go with his mother rather than stay at home all by himself.
他想和他妈一起去也不愿一个人呆在家里。
He bit off more than he could chew when he agreed to do it all by himself.
当他同意完全一个人做它时，他咬下了多于他能咀嚼的。
He bit off more than he could chew when he agreed to do it all by himself.
当他同意完全一个人做它时，他咬下了多于他能咀嚼的。
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