napast

1. (of people, animals, things) pest; nuisance; plague
   Komarci su ovog leta prava napast. — The mosquitoes are a real plague this summer.
   Taj komšija je prava napast, stalno nešto traži. — That neighbour is a real pest, he's always asking for something.
2. formal (usually in doći u napast) temptation
   Došla sam u napast da pročitam njegove poruke. — I was tempted to read his messages.
3. affliction; calamity
   Snašla nas je nova napast. — A new calamity has befallen us.

For 'temptation' the usual word in Serbia is iskušenje (dovesti u iskušenje, pasti u iskušenje); napast in this sense occurs mainly in the phrase doći u napast da… The primary meanings of napast are 'pest, nuisance, plague' and 'affliction, calamity'.