grave /ɡreiv/ I. n. ［c］坟墓：dig one’s own grave 自掘坟墓；rob grave 盗墓；visit a grave 扫墓；a green grave 新坟；an old man with one foot in the grave 风烛残年的老人‖II. adj. 1. 严肃的，沉闷的；庄重的：Her voice sounded grave. 她声音听起来很严肃。He is grave in manner. 他举止庄重。 2.严重的，危急的：make a grave error 犯了一个严重的错误；confront an extremely grave situation面临十分严峻的形势