I don't think you appreciate how expensive it will be.

我想你不了解它会有多昂贵。

《牛津词典》

I don't think we would have randomly invited him over but we appreciate it and the gifts.

我没想到我们能这么随意就请得到他过来，但我们对此很感激，也很感谢他带来的礼物。

youdao

I can appreciate the idea, but I don't think it works in practice.

我很欣赏这样的想法，但是我不认为在实际中它会起作用。

youdao

And I honor their sacrifices, and I don't appreciate it when a candidate for president denigrates the contributions of these brave brave soldiers.

NPR: Transcript of Presidential Debate

If I had won in '89 with Easy Goer, I don't know if I'd appreciate it as much as I did this past Saturday.

WSJ: Orb trainer says winning Derby worth the wait

And Alberto Gonzales says that it's as if they don't - I'm sorry, Ruben Navarrette says it's as if they don't even appreciate the importance that Alberto Gonzales holds as a Hispanic role model.

NPR: Political Corner: Gonzales