English in the negative are complex, which in many ways the Chinese are not entirely negative structural Symmetrical, English grammar is one of the difficulties of the system.

英语中的否定结构十分复杂，它在很多方面与汉语的否定结构不完全对称，是英语语法体系的难点之一。

youdao

You have been thrown into serious difficulties because of the financial meltdown, and although attempts have been made to overcome it the old system cannot be restored.

你们已经陷入了严重的困难中，尽管已经尝试克服它，因为金融危机，旧的系统仍然无法恢复。

youdao

The difficulties of the whole system design are the design of the pit judgment arithmetic, the writing of the HY6070 VXD, the design and operation about the database.

所以整个系统设计的难点在于：缺陷判定算法的设计；hy6070虚拟驱动程序的编写；数据库的设计和操作。

youdao

Users of the ShareXpress system have catalogued a series of technical difficulties with the service since it was launched in September.

BBC: Halifax suspends net dealing

"The main concern of my party is that the fundamental, radical flaws and difficulties in our justice system and law and order in Scotland have not been addressed in the last five years by this executive and there's nothing in this programme to suggest that these will be addressed, " she said.

BBC: NEWS | UK | Scotland | More judges set to bolster bench

They acknowledge the difficulties caused by choosing radio-frequency chips instead of a system where direct contact must be made with the reader.

ECONOMIST: High-tech passports are not working