This obscure little restaurant serves incredibly delicious food despite its hidden location.

obscure 是形容词，意思是"不为人知的、偏僻的、难以发现的"，常用来描述位置隐蔽或知名度不高的事物。这个词来自拉丁语 obscurus，原意是"黑暗的、模糊的"。