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。
He managed to repair the car by himself.
他自己设法修了汽车。
He walked a little by himself in the garden.
他在花园里独自散了会儿步。
He decided to make their presents by himself.
他决定自己给他们做礼物。
他不得不独自生活。
他是自学的。
Xu has learned English all by himself.
徐是自学英语的。
His father taught little Xu by himself.
他的父亲亲自教小徐。
The little boy can get dressed by himself.
这个小男孩会自己穿衣服。
He no longer stays in his room by himself.
他不再一个人呆在房间里了。
I asked him to do his schoolwork by himself.
我让他自己做作业。
Lily's father is learning Chinese by himself.
莉莉的爸爸正在自学汉语。
Tom often washes his sports shoes by himself.
汤姆经常自己洗他的运动鞋。
He wants to take part in the competition by himself.
他想独自参加比赛。
He enjoyed working by himself from 10:00 p.m. to 4:00 a.m.
他喜欢从晚上10点独自工作到凌晨4点。
Our Dickon goes off on th' moor by himself an' plays for hours.
我们的狄肯一个人在荒原上玩了好几个小时。
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。
Success of a man is directly related to the choice made by himself.
一个人的成功与他自己的选择直接相关。
They found a young boy sitting on the sidewalk by himself at night.
他们发现一个小男孩晚上独自坐在人行道上。
His arm was caught under a heavy rock when he was climbing by himself.
当他独自攀岩时，手臂被一块沉重的岩石卡住了。
The boy started to live in school and learn to manage time by himself．
男孩开始住校，并学会自己管理时间。
He refused to accept donation money and decided to make money by himself.
他拒绝接受捐款，决定自己赚钱。
Surely the brave Mr. Toad wouldn't mind coming here by himself, would he?
勇敢的托德先生肯定不介意一个人到这儿来吧，是吗？
The headmaster is so responsible that he does everything for us by himself.
校长很负责任，他亲自为我们做一切事情。
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