darkly

I wondered darkly if I was wasting my time.

我郁地想我是不是在浪费时间。

He hinted darkly that we had not heard the last of the matter.

他带着威胁的口吻暗示我们的事情还没完[他还不肯就此罢休]。

The sky is darkly clouded.

天空黑云密布。

Speckled lentiginous nevus is characterized by a tan or light brown background patch on which more darkly pigmented macules or papules are randomly distributed.

摘要斑点样母斑，其特徵是许多颜色较深的斑点或丘疹散布在一块褐色或淡棕色的斑块上。