他的演讲内容很丰富，但观点显得散乱无章。

His speech was informative, but the ideas were amorphous and hard to follow.

amorphous 由前缀 a-（表示"无、非"）和词根 morph（形状）加上形容词后缀 -ous 组成，字面意思是"无固定形状的"。引申为"无组织的、散乱的"，形容缺乏明确结构或清晰轮廓的事物。