However, there were a few shortcomings I would like to mention.

shortcomings 是名词 shortcoming 的复数形式。shortcoming 由 short（短的、不足的）和 coming（来）组成，字面意思是"不足的到来"，引申为"缺点、不足"。这个词强调事物或人存在的缺陷或不足之处。