But by the time I was ready for college, it broke my heart to leave.

但当我准备去上大学的时候，一想到要离开这里，我的心都碎了。

youdao

I've dialled the number so many times I know it by heart.

这个号码我拨了很多次，都记住了。

《牛津词典》

Maybe I could make a mosaic (镶嵌画) by using the pieces of my broken heart.

也许我可以用我破碎的心的碎片来做一个镶嵌画。

youdao

I thought the heart must burst. And now a new fear seized me -- the sound would be heard by a neighbor!

VOA: special.2009.05.16

The songs I knew by heart penetrated me as I sat there trying to deafen myself.

NEWYORKER: Mr. Bones

And to this day, I still know it by heart.

CNN: Apparently This Matters: R.I.P., 'Gangnam Style'

Let me spell out precisely what I mean by that, for the heart of the matter is here, and the root of my dispute with my country.

NPR: An Author's Companion in Rage, Exile and Return