难点

yóu yú hàn zì jù yǒu qū bié yú pīn yīn wén zì de zì shēn tè diǎn duì wài hàn zì jiào xué lì lái bèi rèn wéi shì duì wài hàn yǔ jiào xué zhōng de yī dà nán diǎn

由于汉字具有区别于拼音文字的自身特点，对外汉字教学历来被认为是对外汉语教学中的一大难点。

Since Chinese characters bear their own characteristics which are different from the phonetic system, Chinese characters teaching has been long considered as a difficult point in Teaching Chinese as Foreign language.

chōu bá jiāo chā xíng xīn jī gòu shè jì shì yā zhù mó shè jì de nán diǎn zhī yī

抽拔交叉型芯机构设计是压铸模设计的难点之一。

The design of mechanism pumping crossed cores is a difficult point in die casting moulds.