I had not expected such a sudden assault.

"Moving west, away from us, that we might not be prepared for the sudden assault over land."

They then rushed the works in a sudden assault which surprised the Mexican troops and put them to flight.

Sarah lifted her face and tried to decipher this sudden assault.

Kungas could not see all the details of that sudden assault.

I adjusted my eyes to the sudden assault of colour.

The marshal had been caught flat-footed by the king's sudden assault.

The pain and fear that accompany a sudden physical assault are devastating to the psyche.

There seems absolutely no reason why she should commit a sudden assault on a guest.

How much Gandalf knew cannot be said, but it is plain that he had not expected this sudden assault.