irregularity
n
1 [U] state or quality of being irregular 不整齐; 不平坦; 无规律; 不规则; 不合常规.
2 [C] thing that is irregular 不整齐、 不平坦、 无规律、 不规则或不合常规的事物
the irregularities of the earth's surface 地球表面的凹凸不平
There were some irregularities in the accounts, eg figures that were not correct. 帐目中有些出入(如数字不确).
My biggest problem so far has been trying to remember everybody's name.
迄今为止我最大的问题就是尽量记住每个人的名字
The man who manoeuvres carelessly into his five shillings worth of space ,at one of Europe's myriad permanent sites may find himself bumping a Bentley.