pinning down

To get a sense of what is involved in pinning down the origin of even one dessert, consider Baba au rhum.

为了更明白如何弄清楚一种甜点的起源是什么，我们可以拿兰姆糕（Babaaurhum）作为例子。

Rather than pinning down a vocal fold with a finger to shorten its effective length, we use muscles to shift its end points .

人类利用肌肉来移动声带的两个端点，而非以手指压按来改变有效长度。

The purpose of feminist translation theory is to overturn this idea of pinning down females and translation in the subordinate position.

在女性主义翻译观下，译作与原作，译者与原作者的关系都趋于平等。

Pinning down the date of creation with such precision is impressive, but scientists have gone much further.

能够确定宇宙创生的时间让人印象深刻，但是科学家走得更远。

Empirically, economists have long had trouble pinning down the wealth effect from housing.

从经验上看，经济学家们一直以来都难以说清楚房产财富效应。

But pinning down Mr Mugabe and assessing his weakness has proved remarkably difficult over the years.

但是压制穆加贝（Mugabe），估摸他的弱点几年来是相当困难的事。

Alas, pinning down evolved relationships between fertility and health is tricky.

唉，要确定生殖力和健康之间的演变关系是很复杂的。

The term "Social Good" has been bandied about, but pinning down exactly what it means in concrete terms can sometimes be tricky.

“社会化公益”这一术语已经被广泛传播使用，但在具体使用时它的确切含意是什么却仍然很棘手。

Pinning down exactly what it is that makesHan Han so famous can be difficult.

要搞清楚韩寒究竟为什么这么出名可能是困难的。