unpredictable
adj. 无法预言的; 不可预测的
If you describe someone or something as unpredictable, you mean that you cannot tell what they are going to do or how they are going to behave.
He is utterly unpredictable.
他是个高深莫测的人。
...Britain's notoriously unpredictable weather.
众所周知,英国的天气一向变幻莫测
1. impossible to foretell
2. unknown in advance;
3. not occurring at expected times
Unpredictable, unpleasant and just plain hard work – that's what farming crops was like 12,000 years ago.
指望天意 、 令人不快、枯燥劳累的工作——那就是12,000年前种庄稼这档子事儿的情形.
His actions since that morning have been eccentric and unpredictable.
自从那天早晨,他的行动一直是反常而不可捉摸.
I overheard someone the other day saying that I was moody and unpredictable.
我前几天无意中听到有人说我阴沉、不可捉摸.
He wouldn't have an inexperienced rider mount a nervous or unpredictable horse, for example.
他不会让一个缺乏经验的人骑上紧张或不可预知的马匹, 比如.
Predictions about food prices are subject to change because commodity prices are unpredictable.
预言食品价格将改变是因为物价不可预知.