The patient is at the critical stage. The food won't stay down.

病人处于危急状态, 东西吃下去就呕出来.

辞典例句

Currently our province is at a critical stage of development.

当前我省正处于发展的关键时期.

互联网

He said flood prevention and control of the Yangtze River had entered a critical stage.

他表示,现在已进入防洪和控制长江的关键阶段.

互联网