obnavljati

1. (of a building, object) to restore; to renovate; to rebuild
   Grad već godinama obnavlja staru tvrđavu. — The city has been restoring the old fortress for years.
   Posle poplave su obnavljali kuće. — After the flood they were rebuilding houses.
2. (of a process, relations) to resume; to renew
   Dve zemlje polako obnavljaju diplomatske odnose. — The two countries are slowly renewing diplomatic relations.
3. (of a document, contract) to renew
   Svake godine obnavljam članarinu u teretani. — Every year I renew my gym membership.
4. (of study material) to revise; to review
   Pred ispit obnavljam gradivo iz prošlog semestra. — Before the exam I'm revising last semester's material.
5. (of supplies) to replenish
   Prodavnica obnavlja zalihe svakog ponedeljka. — The shop replenishes its stock every Monday.
6. (of a year of study) to repeat a year
   Morao je da obnavlja drugu godinu. — He had to repeat his second year.
   Ako ne položiš te ispite, obnavljaćeš godinu. — If you don't pass those exams, you'll be repeating the year.