His balloon was blown off.

他的气球被风吹走了。

youdao

The cap was blown off.

帽子被风刮掉了。

《新英汉大辞典》

Supposing tiles are blown off, or walls sink or crack, or windows get broken—where's Toad?

假如瓦片被风刮掉了，或是墙陷下去了，裂了缝，或是窗户被打破了——托德在哪儿？

youdao

The explosions appear to have come from inside the buildings, with both the front and back windows of the Ritz Carlton blown off, spreading glass and debris across the street.

VOA: standard.2009.07.17

It was littered with rubble, while its doors had been blown off and its windows shattered.

BBC: Syrian government forces 'shell rebel-held towns'

'cause it hasn't gone around the sun a lot and gotten blown off by the solar.

NPR: Stardust Set to Deliver Comet Samples

But the strategy was quickly blown off course, initially by a row with America.

ECONOMIST: Friends and neighbours