But nutrition trials are notoriously difficult.

众所周知，营养测试是非常困难的。

Yes, she says that cryptocurrency markets are notoriously volatile.

是的，她说加密货币市场因反复无常而众所周知。

But creating identical wigs is notoriously difficult.

但制样的假发是相当困难的事。

Englewood is a notoriously violent neighborhood there.

恩格尔伍德在那里是个臭名昭著的暴力社区。

Tracking the specifics of these epic expeditions is notoriously difficult.

众所皆知，要追踪这些壮观远征的细节十分困难。

Novels about sport are notoriously hard to pull off.

写部关于体育运动的小说，显然是有难度的。

After all, weather is notoriously unpredictable.

毕竟，天气这东西是出了名的难预测。

Now, unfortunately, stem cells are notoriously difficult to engineer.

现在，不幸的是，干细胞是出了名地难以制。

Of course, people are notoriously bad at following diets.

当然，人们在遵循饮食习惯方面做得极差。

Data on child labor in Bangladesh is notoriously scant.

有关孟加拉国童工的数据很少。

Yes, Jobs is brilliant but he's also notoriously difficult.

乔布斯是很聪明，但也出了名的难相处。

They're notoriously difficult birds to film.

他们是出了名难拍的鸟。

Well, for a start, it's notoriously hard to do.

首先，这是出了名的难计算。

This means that the value of cryptocurrencies are notoriously volatile.

这意味着加密货币的价值反复无常，众所周知。

It's a problem that's notoriously difficult to unpick.

要解开这个问题相当困难。

Albright explains that our memory for visual events is notoriously flawed.

Albright 解释为，我们对视觉事件的记忆众所周知是有缺陷。

He was one of the city's most notoriously ungettable bachelors.

他是这个城市里个声名狼藉而又很难到手的钻石王老五。

Flies, which have a CFF of 250Hz, are notoriously difficult to swat.

苍蝇的CFF是250赫兹，很难被拍死。

But now he has to catch it, and sharks are notoriously skittish.

但现在，他必须抓住它，而鲨鱼又是出了名的反复无常。

A notoriously tough ultra-marathon is the 135-mile Bad water in Death Valley, California.

其中场特别艰苦的超级马拉松比赛，就是在加利桶尼亚死亡谷举行的 135英里坏水河超级马拉松。