precarious
adjective uk/prɪˈkeə.ri.əs/ us/prɪˈker.i.əs/
危险的；不牢靠的，不稳的
in a dangerous state because of not being safe or not being held in place firmly
The lorry was lodged in a very precarious way, with its front wheels hanging over the cliff. 卡车的位置很危险，前轮悬在峭壁上面。
（情势）不稳定的，不确定的，危险的
A precarious situation is likely to get worse.
Many borrowers now find themselves caught in a precarious financial position. 许多借款人现在发现自己陷入了不稳定的财务状况。