At first, they were at a loss to make sense of their data.

一开始，他们对自己的数据感到茫然。

" Something to sell, I suppose; what it can be I am at a loss to understand."

“我想，是要卖东西给我；但具体是什么我就说不上了。”

His anguish was plain; I yearned to comfort him, but I was at a loss to know how.

他的苦恼再明白不过了。我很想去安慰他，但我很困惑，不知道怎么做。

Nejdanov was at a loss to know what to say.

涅日丹诺夫不知该说什么好。

I was at a loss to account for the misunderstanding between us.

我也是 我不知道为什么我们会存在误解。

" I am at a loss to know how you knew that, " the Reverend Father said sharply.

“我不知道你是怎么知道的， ” 牧师神父厉声说。

He recognised the special relationship we have with dogs but was at a loss to explain it.

达尔文发现了我们与狗之间存在着特殊关系但他却无法科学地解释它。

Science is at a loss to fully explain the mysteries of the sea, which may never fully be explained.

科学无法完全解释海洋的奥秘，这可能永远无法完全解释。

Our hero was at a loss to answer so nattering a question. This circumstance had not been anticipated in his plan.

我们的英雄不知所措，无法回答如此唠叨的问题。这种情况在他的计划中是没有预料到的。

Health experts have conducted numerous tests on the surrounding air and soil but so far they are at a loss to explain the phenomenon.

健康专家对周围的空气和土壤进行了多次试验，但迄今为止仍无法解释这种现象。

The more he thought of the Jew's admonition, the more he was at a loss to divine its real purpose and meaning.

他越是想起犹太人的告诫，就越是不知其真正的目的和意义。

In fact, when we look at this dynamic activity in these extraordinarily cold regions, we really are at a loss to understand just what's going on here.

事实上，当我们观察这些异常寒冷区域的动态活动时，我们真的不知道这里发生了什么。

Nejdanov was at a loss to know what to say to her, and as soon as he finished his tea took his hat and went out in the direction of the birch wood.

涅日丹诺夫不知道该对她说什么， 他一喝完茶就拿起帽子朝白桦林的方向走去。

Mr. Giles was at a loss to comprehend what this outcry meant; but Harry Maylie, whose perceptions were something quicker, and who had heard Oliver's history from his mother, understood it at once.

但是哈利·梅莱， 他的感知速度更快， 并且从他母亲那里听说过奥利弗的历史， 他立刻就明白了。

The bridge was fewer than ten years old, and the best experts were at a loss to explain why it had snapped cleanly in two, sending a dozen cars into the watery depths of the river below.

那座桥建成还不到十年，最出色的专家也无法解释它怎么会突然整整齐齐地断成两截，十几辆汽车栽进了下面深深的河水里。