grave

Matthew’s life is in grave danger .

马修的生命危在旦夕。

The report expressed grave concern over the technicians’ lack of training.

报告中对技术人员缺乏培训深表忧虑。

I have grave doubts about his ability.

我十分怀疑他的能力。

The situation is becoming very grave.

形势变得非常严峻。