dig one's own grave
自取灭亡do sth which causes one's own downfall
You are just digging your own grave if you go on smoking so heavily.你再抽这么多烟,那你就是自掘坟墓。

from the cradle to the grave
从生到死from birth to death
He takes care of her from the cradle to the grave.她终身得到他的照顾。

have one foot in the grave
离死不远,行将就木be so old or ill that one is not likely to live much longer
The old man has one foot in the grave.这老头已是行将就木的人了。

turn in one's grave
死后不得安生of a person who is already dead, likely to be offended or angry
You can't be so bad,It's to make your grandmother turn in her grave.你不能如此坏,那会让你的祖母死不瞑目。

She laid flowers on the grave.她把花放在坟上。
He weeps over the grave of his brother.他在他哥哥的坟上哭泣。
He drank himself into an early grave.他因喝酒过度而过早死去。

grave, tomb
grave和tomb均指埋葬尸体的“坟墓”。
1.grave指一般的“土墓”; tomb可译为“陵墓”,是坟墓的雅称,指建在地下的墓室,也可是一种带墓碑的建筑,既可安放死者,又可作纪念物。
2.tomb表示“坟墓”时,比grave更庄重,在说“扫墓”时,多用tomb。
3.grave作“死”及“死亡”解时,一般不用tomb代替。

用作定语
▲～+n.
This large rain could have grave consequences.这场大雨会造成严重后果。
用作表语
▲S+be+～
The situation was grave.情况是严重的。
He looks terribly grave.他脸色很严肃。
▲S+be+～+prep.-phrase
She is grave in manner.她举止庄重。

［同义词］ n. tomb adj. important, serious, thoughtful, weighty
［反义词］ adj. happy, merry, unimportant