They walked past a mossy tree stump.

他们走过一个布满苔藓树桩。

In cases like these even doctors can be stumped.

在这况下，即使是医生也会被难住。

Wormtail, slumped on the ground, cradling his stump of an arm.

虫尾巴瘫倒在地，捂着他断臂。

It was a puzzle that stumped the world's most famous biologist.

这是一个谜，难倒了世界上最著名生物学家。

“Anything, anything at all! ” cried the foolish King, wringing his hands before the stump.

“什么都行，什么都可以！”愚蠢国王喊道，在树桩前拧着两只手。

Seeing these tree stumps just jut out of nowhere.

看到这些树桩不知从哪里伸出来。

A short stump of the cord remains.

一小段脐带会留下来。

What about if you go to the tree stump?

去树桩生存几率又是多少呢？

Are there some questions that you get from your students which just completely stump you?

有没有你从学生那里收集到问题把你给难住了？

Riddle slid off his chair and stumped out of the room.

里德尔从他椅子上滑下来，拖着沉重脚步走出房间。

The arrangement might look reciprocal to human eyes, because it is keeping the stump alive.

这种配植可能看起来与人类眼睛是对等，保持了树桩活性。

This requires a stump's neighbours, which are feeding it, to benefit directly from the arrangement.

这要求树桩附近向运输营养邻居直接从这种配植中获益。

Oh, I see. You want Caramel to jump over the tree stump.

哦，我明白了。你要焦糖从树桩上跳过去。

Riddle slid off his chair and stumped out of the room. Harry followed him.

里德尔从他椅子上滑下来，拖着沉重脚步走出房间。哈利跟了上去。

Questions like these might stump many American citizens.

这问题可能会让许多美国公民感到困惑。

By it he laid the box of matches and the stump of a candle.

床旁边放了一盒火柴和一个蜡烛头。

Stumped as to what it could be, they nick-named it Blobus purpilis.

他们被这可能是什么难住了，给起了个绰号叫 Blobus purpilis。

Gerald was stumping across the furrows, waving his cane.

杰拉尔德踉踉跄跄地跨过一条条垅沟，手里急匆匆地挥舞着拐杖。

Then, in shock, he stares at the rope, which has snapped into two long stumps.

他震惊地看到绳子断成两截，绵软地垂下来。

If he wants to consult with someone, that means he's stumped...which means I'm screwed.

如果他要跟别人会诊，就证明他搞不定了，也就是说我完了。