人们的生命岌岌可危，所以我们必须果断行动。

People's lives ___are ___at ___stake, so we must act decisively.

人类的未来正处于危险之中。

The future of humanity ___is ___at ___stake.

由于丑闻，公司的声誉岌岌可危。

The company's reputation ___is ___at ___stake due to the scandal.