Joe likes to brag about all the friends he has. But to tell the truth, his friendships are only skin-deep -- the only person he really cares about deep down in his heart is himself.

这句话的意思是："乔伊老是喜欢吹嘘他有好多朋友。但是，说实话，他和这些朋友的友情都很肤浅。他心目里真正关心的一个人就是他自己。" 像这种只关心自己，不真心关心朋友的人不仅在美国有,在哪儿都能碰到。一般来说,美国人是很热情,以助人为乐的。

youdao

He had come up from deep down in the water as the dark cloud of blood had settled and dispersed in the mile deep sea.

当那一大片暗红的血朝一英里深的海里下沉并扩散的时候，它从水底深处上来了。

youdao

He had come up from deep down in the water as the dark cloud of blood had settled and dispersed in the mile deep sea.

鱼深暗色的血在一哩深的海里，像云朵般地扩散开来，鲨鱼闻到血腥味便由深水中游过来。

youdao

Alfred tried to sound big, but deep down he was like a child.

VOA: special.2010.09.11

So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.

所以我并没有施魔法，我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。

麻省理工公开课 - 计算机科学及编程导论课程节选

But of course,nobody here is screaming, from which we can conclude none of us really do believe, fundamentally,deep down,that we're going to die.

但当然现在在场没人在尖叫，那我们得出结论，我们中没有人，从根本上相信自己会死。

耶鲁公开课 - 死亡课程节选

But you certainly have to really, really desire it deep, deep down because what you're about to go through and the process you have to go through and what you have to do to get elected president.

NPR: Thompson Edges Closer to Presidential Bid

For another, it is debatable how much - deep down - he really wants Massa to be champion.

BBC: Hamilton cannot take title for granted

But, deep down, I knew that it had something to do with Raj and his vodka.

NEWYORKER: Raj, Bohemian