我们许多员工因为工作不稳定而感到担忧。

Many of our staff are worried because their jobs are ___insecure.

这座旧水坝被认为不安全，对附近城镇构成重大风险。

The old dam is considered ___insecure and poses a significant risk to the nearby town.

在当前的经济环境下，许多家庭生活在不安全的住房条件下。

In the current economic climate, many families live in ___insecure housing conditions.