我每个月都会请专业汽车美容师来彻底清洁我的车。

I hire a professional ___detailer every month to deep-clean my car.

这位导游是个出色的细节讲解员，他能清晰地描述每个历史遗址的特点。

The tour guide was a skilled ___narrator, clearly describing the features of each historical site.