Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
nerve [nəːv] n (ANAT) нерв; (courage) вы́держка; (impudence) на́глость f
to have a fit of nerves перене́рвничать (perf)
he gets on my nerves он де́йствует мне на не́рвы
she lost her nerve у неё сда́ли не́рвы
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.