premonition

他有一种不祥的预感，觉得今天会出车祸。

He had a ___premonition that there would be a car accident today.

她突然感到一阵不安，仿佛是对即将到来的坏消息的预感。

She suddenly felt uneasy, as if it was a ___premonition of the bad news to come.

她昨晚做了一个不详的梦，感觉那是对未来麻烦的预示。

She had a strange dream last night that felt like a ___premonition of trouble ahead.