unpredictable
US
UK unpredictable adj: (person) (指某人行为异于常人)
SC 行事出人意料的，不按常理出牌的 xíng shì chū rén yì liào de ，bú àn cháng lǐ chū pái de
SC 高深莫测的，常有过人之策的 gāo shēn mò cè de ，cháng yǒu guò rén zhī cè de(指某人因有过人的智慧而让一般人不能理解)
The boss is unpredictable; sometimes he'll overlook even a big mistake, other times he'll lose his temper over a really small one.
这老板不按常理出牌，有时他会忽视大错，有时又会因为芝麻大点的小问题而大发雷霆。
unpredictable adj: (unforeseeable)
SC 不可预知的
SC 难以预料的 nán yǐ yù liào de
The unpredictable nature of the freelancer's work meant it was difficult for her to plan holidays.
这名自由职业者的工作具有不可预测性，意味着她很难规划自己的假期。
unpredictable adj: (movement)
SC 不可预料的 bù kě yù liào de
SC 突然的 bù kě yù liào de ，tū rán de
SC 出乎意料的 bù kě yù liào de ，chū hū yì liào de
The rugby player's unpredictable swerve got him through the defence to score a try.