ominous

不祥之兆

an event or object that is believed to be a warning of a future bad event

不祥的警告

a statement or event that serves as a serious warning of danger or trouble

暗示将有坏事发生的警告

a dark cloud that suggests a storm or bad events are coming

不祥的沉默

a quietness that is unsettling because it suggests something bad has happened or is about to happen

不祥的暗示

a suggestion within something that indicates a bad outcome is likely

某事中暗示可能会有坏结果的迹象

不祥的隆隆声

a low, deep, continuous sound that signals danger, such as distant thunder or an earthquake

描述一种预示着坏事将要发生的隆隆声

不祥的幽灵

the threatening possibility of something very unpleasant that might happen in the future

暗示这个幽灵是未来麻烦或灾难的预兆。