They say their suspicions are reinforced by Iran's refusal to respond to confidence building proposals by world powers.

VOA: standard.2010.05.14

I had my suspicions about the milkshake, and so I took a sample and I rushed it down to the lab.

我怀疑奶昔有问题，于是我取了一份样品，跑到实验室化验。

耶鲁公开课 - 死亡课程节选

The accusation and suspicions have caused a rift between the neighbors that has yet to be resolved.

VOA: standard.2009.10.25

First he was questioned about Iran and western suspicions about its nuclear weapons capability.

VOA: standard.2009.11.04

News stories about the singer inevitably recall suspicions surrounding his close friendships with children.

VOA: standard.2009.06.28

In his remarks,President Obama acknowledged the hemisphere's engrained suspicions of U.S.actions and motives.

VOA: standard.2009.04.17

While Eleanor Johnson believes there is a strong connection between widespread mistakes in writing and Internet usage, she concedes that the scientific evidence might not exist yet to confirm her suspicions.

VOA: standard.2010.01.16

Both sons look back with pride at their fathers. Both are also working to overcome suspicions that stand in the way of renewed U.S.-Russian cooperation to meet challenges that could confront their children.

VOA: standard.2010.05.07