他对她的决定感到很诧异。

Tā duì tā de juédìng gǎndào hěn chàyì.

He was very surprised by her decision.

孩子们对科学实验感到诧异。

Háizimen duì kēxué shíyàn gǎndào chàyì.

The children were surprised by the science experiment.

他们对他的选择感到诧异。

Tāmen duì tā de xuǎnzé gǎndào chàyì.

They were surprised by his choice.