1ADJ-GRADED [usually ADJ n](气氛或感情)压抑的,令人不安的Brooding is used to describe an atmosphere or feeling that makes you feel anxious or slightly afraid. (气氛或感情)压抑的,令人不安的 [literary]
The same heavy, brooding silence descended on them.
2ADJ-GRADED [usually ADJ n](尤指对令人不快的事物)沉思的,苦苦思索的 If someone's expression or appearance is brooding, they look as if they are thinking deeply and seriously about something, especially something that is making them unhappy. (尤指对令人不快的事物)沉思的,苦苦思索的 [literary]
She kissed him and gazed into his dark, brooding eyes.