precarious
🇬🇧/prɪˈkeəriəs/ 🇺🇸/prɪˈkeriəs/📚 10336 1托福雅思If your situation is precarious, you are not in complete control of events and might fail in what you are doing at any moment. (情况) 不稳定的
adjective [原级]摇摇欲坠的，不稳固的；（局势）不确定的，危险的
Something that is precarious is not securely held in place and seems likely to fall or collapse at any moment.
不稳固的
pre(在…前面) + car(汽车) + ious → 坐在汽车前面 → 不安全的
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