查询词典 hard-shelled

You don't study hard, but you want to become a graduate student.

你学习不努力，却想成为一名研究生。

This does not happen easily. As every author knows, even a single volume requires a great deal of careful organization and hard work. All the more must we appreciate the clear view and the patience and energy which Knuth must have had to plan seven volumes and to set about implementing his plan so carefully and thoroughly.

任何一名作者都明白，即使是单卷本著作也需要付出大量艰苦的工作并进行严谨的组织，我们可以想象得出高德纳教授如此全面而审慎的制定了出版七卷本的计划并令其成为现实所具备的清晰的大局观和付出的过人精力，这并非易事，我们必须加倍感谢他的工作。

It is a hard nut to crack.

这是一个棘手的问题。

He is really a hard nut to crack. You need to be more patient.

他是一个很难对付的人，你需要更多的耐心。

It's a hard nut to crack.

这是一件棘手的事情。

He's a hard nut to crack.

他是个很难对付的家伙。

He is a hard nut to crack.

他是个难对付的人。

She is a hard nut to crack.

她是个难对付的人。

They say that she is a hard nut to crack, but I think I can crack it.

据说她是个难对付的女人，但我有办法。

B: I know! He's a hard nut to crack.

他是个难以了解的人。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。