precariously

adv.

不安全地；危险地；碰机会地；不稳定地

1. The hotel was perched precariously on a steep hillside.
   旅馆危险地坐落在陡峭的山坡上。
2. The sight of one of them leaning precariously over the building's roof edge while using a stone-cutting machine made me feel queasy.
   有一名工人很危险地靠在屋顶边缘操作切割机，我看了很不舒服。

Exposure dating of precariously balanced rocks
Precariously Balanced Rocks and ground-motion maps for southern California
Dating precariously balanced rocks in seismically active parts of California and Nevada
Rocking and Overturning of Precariously Balanced Rocks by Earthquakes
Bronx job-growth claims by Freddy rest precariously on public money
Working Precariously: The impact of race and immigrants status on employment opportunities and outcomes in Canada
Consistency of Precariously Balanced Rocks with Probabilistic Seismic Hazard Estimates in Southern California
Assessment of the Site Conditions of Precariously Balanced Rocks in the Mojave Desert, Southern California
Methodology for Obtaining Constraints on Ground Motion from Precariously Balanced Rocks
Band of precariously balanced rocks between the Elsinore and San Jacinto, California, fault zones: Constraints on ground motion for ...