Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
transfix [trænsˈfɪks] vt (person, animal) пронза́ть (пронзи́ть*perf) (fig)
transfixed with fear пронзённый стра́хом
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.