even when 既可以引导让步状语从句，也可以引导时间状语从句，视具体语境而定。

1. even when 引导让步状语从句，意思是“即使”“尽管”“哪怕”等：

Even when he became a star he didn’t have any airs and graces. 即使成了明星，他也没有架子。

It’s chilly in the house, even when it’s sunny outside. 即使屋外阳光明媚，屋里也很冷。

Even when things go badly, try to look on the bright side. 即使事情变得很糟糕，也要尽量看好的一面。

Even when she was threatened with death, she stayed loyal to her beliefs. 尽管受到死亡威胁，她还是坚持自己的信仰。

He’s always finding fault with the children, even when they are doing nothing wrong. 他总是对孩子们吹毛求疵，尽管有时他们根本没做错什么。

2. even when 引导时间状语从句，意思是“（甚至）当……的时候”：

She displayed criminal tendencies even when she was very young. 她甚至在很小的时候就显示出了犯罪倾向。

Mozart showed a gift for music even when he was very young. 莫扎特很小的时候就显示出了音乐天赋。

Even when I was a kid, I wanted to become a psychologist. 甚至在我孩提时代，我就想成为一名心理学家。

Even when I was 21 I was so green, I had no idea that my best friend was on drugs. 甚至在我 21 岁的时候，我仍然很幼稚，不知道自己最要好的朋友在吸毒。