(每日一词)precarious


Precarious /prɪˈkeriəs/ adj. 不稳定的,摇摇欲坠的,取决于不确定条件的

英文解释: Dependent on chance; uncertain. Not safe, strong, or steady; likely to fall or fail.


1) 词源: prec- 同pray 祈祷

2) 后缀: -arious 形容词后缀(-ary + ous 构成的复合后缀)


例句: 

The ladder was precarious, so be careful climbing it. 这个梯子很 不稳固,爬的时候要小心。

He earned a precarious living as a freelance writer. 他靠自由职业写作 赚取不稳定的收入。


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