Still trying to grab Hawk's gun, the girl was unwittingly serving as a shield.

In doing so, she unwittingly serves her father-in-law's ends.

Some critics at the time remained skeptical, believing Smith was unwittingly serving as an instrument of Soviet propaganda.

But the great enemy remains invisible, so that no one guesses that they unwittingly serve him.

So, too, do the Americans unwittingly serve our purpose, for, with their money, we shall rise more powerful than ever.

-perhaps she was unwittingly serving France by taking the place of someone who did know.

Because she's a young lady well-known in Tangier, who unwittingly served us very well when she retired.

'There are such men, of an opposite kind, who unwittingly serve the Light too.'

He might be unwittingly serving someone else's purpose, but he was genuine.

Squads of policemen entered the struggle, and unwittingly served Nick Savoli a good turn.