他对这个投资计划心存疑虑，担心会有风险。

He had ___misgivings about the investment plan, fearing potential risks.

她对这个陌生人的热情招待感到有些疑虑。

She had some ___misgivings about the stranger's overly friendly hospitality.

尽管他同意了这份合同，但仍对其中一些条款感到不安。

Although he agreed to the contract, he still had ___misgivings about some of its terms.