这种罕见的疾病目前被认为是无法治愈的。

This rare disease is currently considered ___incurable.

这家医院专门为绝症患者提供临终关怀服务。

This hospital specializes in palliative care for ___incurables.

她是个无可救药的夜猫子，总是熬夜到凌晨。

She's an ___incurable night owl who always stays up until dawn.