technicality
n
1 technical term or point 术语; 专业上的细节
The book is full of scientific technicalities. 这本书里尽是科学术语.
The lawyer explained the legal technicalities to his client. 律师给委托人解释法律上的要点.
2 detail of no real importance 不重要的细节
a mere technicality 无足轻重的细节.