查询词典 a tough nut

"Tagua" palm trees grow mainly in tropical areas in South America. They grow very slowly and take about 15 years to bear their fibrous fruit and another 3 8 years for the fruit to become ripe. The locals collect these fruit to dry in the sun. After a few months, when the fruit are completely dry, they become a white, tough, ivory-like mass. This material can be used in making buttons, ornaments, chessman, musical instruments…etc. Therefore the fruit is also known as "Ivory Nut".

集中在南美热带生长的「Tagua」椰子树，生长速度非常慢，需时15年才会结出纤维质的果实，再等3-8年果实成熟，当地人就会收集起来晾晒，待数月后果实完全烘乾，变成媲美象牙的白色坚硬物质，可制作钮扣、饰品、棋子、乐器等，因而亦有「象牙果」之称。

And so this is going to be a tough nut to crack.

所以这将是一个棘手的问题。

It's a tough nut to crack .

这是个棘手的问题。

He's a tough nut to crack.

他是个很难说服的人。

This is a tough nut to crack.

这是一件棘手的事。

Michael Jackson appears to be a tough nut to break.

迈克尔·杰克逊似乎是一个颇为棘手的问题。

The traffic jam is a tough nut to crack all over the world.

交通拥堵在世界上都是个难题。

Bul in translation, cultural default of the original texts oftentUrns out to be a tough nut to crack due to the difference of cultures.

但在翻译中，由于文化差异的存在，原文中的文化缺省往往变得十分棘手。

And so this is going to be a tough nut to crack.

所以这将会是一项棘手的任务。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。