A car accident happened to him unpredictably.

一场车祸意外地发生在了他身上。

The things happen unpredictably every day.

事情每天都在不可预测地发生。

This unpredictably based disaster has had a great impact on people's lives.

这种无法预测的灾难给人们的生活造成了极大的影响。

And yet some questions are unpredictably predictive.

可是一些问题有难以预料的预测性。

All's well, but don't act unpredictably Thursday night.

一切都不错，但别在周四晚做些出人意料的举动。

This presupposes an environment that may act unpredictably.

这个前提的环境，可能难以预测。

Yes, climate on this highland always changes unpredictably.

是的，高原地区的气侯就是这么变化多端。

A boss who unpredictably flies into a rage isn't acceptable.

一位无法预测地暴跳如雷的老板是无法令人接受的。