他十二岁时离开学校开始工作。

He left school and began work at the age of twelve.

他十二岁。

He is 12 years old.

他十二岁才第一次看到火车。

The boy didn't see a train until he was 12 years old.

他十二岁的女儿讲中文和英语而不是他的母语法语。

His 12-year-old daughter speaks Chinese and English but not his mother tongue, French.

在他十二岁时，他就已经认识到他与神之间的特别的关系。

At 12 years of age he was aware of his unique relationship to God.

他十二岁了，太老了。他不可能跑完这么长的路程。

He's twelve years old, he's too old. He'll never make that distance.

在他十二岁那年, 他被送到格兰瑟姆的一所学校读书.

At age 12, he was sent away to school in the town of Grantham.

他十二岁那年就参加了当地的儿童团并担任了团长工作。

His 12 year old of that year participated in the local children's corps and is regimental commander to work.

这种动力在他十二岁时就初见成果,年幼的文森特开始作画了.

The motivation bore early fruit and from the age of 12 the young Vincent was drawing.