unpredictable
adj
(a) that cannot be predicted 无法预料的; 不可预知的
an unpredictable result 难以预料的结果.
(b) (of a person) whose behaviour cannot be predicted; changeable; unstable(指人)行为难以预知的, 易变的, 不稳定的
You never know how she'll react
she's so unpredictable. 谁也不知道她反应如何, 她这个人反覆无常.
Now he's got his own trading company. Ann told me he made four million dollars last year.
现在他已有自己的贸易公司。安告诉我他去年赚了400万美元。
Where are my glasses?
我的眼镜在哪儿?
When a student recently saw two workmen using a pneumatic drill outside his university, he immediately telephoned the police and informed them that two students dressed up as workmen were tearing up the road with a pneumatic drill.