The climber's precarious foothold on the crumbling cliff edge demanded absolute concentration to avoid a fatal fall.
攀岩者在崩塌悬崖边缘不稳定的立足点要求绝对专注，以避免致命坠落。
Which choice best defines “precarious”?
A — Dangerously unstable; uncertain.. “precarious” means Dangerously unstable; uncertain..
Which word means “Dangerously unstable; uncertain.”?
B — precarious. “precarious” means Dangerously unstable; uncertain..
precarious — Dangerously unstable; uncertain.. In Chinese: 不稳定的；危险的.
precarious is pronounced //prɪˈkeəriəs//.
The climber's precarious foothold on the crumbling cliff edge demanded absolute concentration to avoid a fatal fall. (攀岩者在崩塌悬崖边缘不稳定的立足点要求绝对专注，以避免致命坠落。)
unstable, uncertain, risky — all close in meaning to precarious (Dangerously unstable; uncertain.).
secure, stable — each the opposite of precarious (Dangerously unstable; uncertain.).
Yes. precarious is on the SAT Prep Easy list — mid-frequency academic words that do get tested. The Digital SAT does not test vocabulary in isolation; words like this one are tested through Words in Context questions, where you choose the word that completes a passage most logically and precisely.
prec(祈求) → 靠求来的 → 岌岌可危。