incertitude

在漫长而徒劳的搜寻之后，他心中的疑虑与日俱增。

After a long and fruitless search, his ___incertitude only grew.

面对这么多相互矛盾的建议，她感到一种挥之不去的困惑。

Faced with so many conflicting suggestions, she felt a lingering sense of ___incertitude.

关于未来政策的未决问题，给市场带来了不确定性。

The unresolved questions about the future policy cast a shadow of ___incertitude over the market.