他16岁时就从高中退学了。

He'd dropped out of high school at the age of 16.

《柯林斯英汉双解大词典》

我是蜘蛛侠的粉丝，我从高中时期开始，凡是蜘蛛人相关的英文杂志我无一不收集。

I am a fan of Spider man, and I started collecting the magazines when I was still in high school.

youdao

我从高中开始就一直写日记。

I've been keeping a diary from the beginning of my high school.

youdao