She was chubby. She was dumb and grotesquely optimistic.

她胖嘟嘟，傻乎乎，乐到荒唐。

Such arguments may be a little too optimistic.

这样的说法可能有点过于乐了。

Yet overall his book seems a touch too optimistic.

然而总的来说他的书所持点似乎有点太过乐。

Are you optimistic about the future?

你对未来看好吗？

But that's way more optimistic than current science suggests.

但这远比目前的科学建议要乐。

Now, that hasn't happened, and people seem more optimistic that it won't.

现这些并未发，看起来很乐，他认为不会发这种事。

There are reasons to be optimistic.

实际上我是完全有理由感到乐的。

Knowing that I'm working hard to help the future keeps me optimistic.

知道我正努力帮助未来让我保持乐。

Despite their dwindling resources, the center's volunteers are staying optimistic.

尽管这个中心的资源日渐减少，但是中心的志愿者仍非常乐。

" I'am feeling more optimistic this week."

“我这周的心态都变乐了。”

He would prefer to see more optimistic science fiction.

他更喜欢看乐一些的科幻电影。

Powerful people tend to be, not surprisingly, more assertive and more confident, more optimistic.

毫无疑问，强大的往往更加坚定、自信而乐。

People should be optimistic about the future.

应该对未来保持乐。

He said young people should be optimistic and tenacious when facing adversities.

他表示，青年面对挫折时，要乐向上，百折不挠。

We have some reasons to be optimistic.

我有能够乐的理由。

But there is huge reason to be optimistic.

但我由充分的理由保持乐。

However, economist Abdoulaye Souley remains somewhat optimistic.

不过，经济学家索利仍然有些乐。

Personally, I feel quite optimistic about it.

我个而言，还是挺乐的。

Without downplaying the risks, he remains optimistic.

平克并没有淡化这些危险，但他仍旧乐。

So, yes, I am optimistic.It does bother me that that most people aren't optimistic.

所以，我才这么乐。但是，大多数不那么乐的态度确实给我带来了一些困扰。