Which preposition to use with mystify

as Occurrences 8%

The police, however, are mystified as to the reason of Mr. Leithcourt's sudden flight, and are anxious to get at the bottom of the curious affair.

to Occurrences 3%

Mystified to a degree, and often disputing among themselves as to the probable identity of the monarch, the richly dressed young ladies and their cavaliers bow in return, and look as though they would fain hold the monarch among them much longer than the necessity of keeping order makes it possible.

beyond Occurrences 2%

Lowe, mystified beyond measure by his friend's action, made no comment until they were outside.

at Occurrences 2%

"Do you wish to speak with Mr. Weldon?" continued the girl, mystified at such an odd procedure.

for Occurrences 1%

Piers looked at Avery, mystified for the moment.

in Occurrences 1%

The incognito she was too well bred to hint at, though she wished both the gentlemen to perceive that a belle was not to be mystified in this easy manner.

into Occurrences 1%

"The Gospel of Leviticus," gave me the Hebrew civic and ecclesiastic legislation mystified into 'sound evangelical' symbols.

than Occurrences 1%

If you wear mannish clothes and a Bath-bun, it is because they become you extraordinarily well and because they form a disguise more complete and mystifying than anything else you could assume.

Which preposition to use with  mystify