On hearing the news, everyone was too excited to fall asleep.

听到这个消息，每个人都兴奋得无法入睡。

youdao

On hearing the news all of them were trembling with fear.

听到消息他们无不战战兢兢。

《新英汉大辞典》

On hearing the news, she made off.

她一听到这消息就立即离开了。

youdao

"I thought I was managing my expectations, but on hearing the news I discovered new and unfamiliar vocal tones, " Firth said.

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French President Jacques Chirac spoke of his horror on hearing the news.

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Well before the hearing was over, the news media picked up on what was perhaps a definitive moment.

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