他穿着一身黑衣，神情肃穆，整个人看起来像是参加葬礼的样子。

Dressed in black with a solemn expression, his entire appearance was rather funereal.

funereal 是由名词 funeral（葬礼）加上形容词后缀 -eal 构成的形容词，意思是"葬礼般的、阴郁的"。funeral 本身指"葬礼"，后缀 -eal 表示"与...相关的"。funereal 形容一种像葬礼般庄重、阴沉的气氛或外表。