Eng: When I was

When I was 21 years old or thereabouts

到我二十一歲左右的時候

When I was a child

小時候的

When I was a child my Mandarin was not very good

小時候的國語說得不好

When I was in university

當我在大學時

When I was still young

在我還很年輕的時候

When I was young

在我還很年輕的時候