“Trabzonspor are one of the toughest sides to face away from home and they will want revenge for the 3-0 defeat they suffered against us,” Bilic was quoted as saying on Eurosport TR.
Bilic underlined that Trabzonspor could prove to be the biggest obstacle in their title race.
“You saw them against Galatasaray, they were excellent, Trabzonspor will be the toughest of the remaining games,” he added.
Beşiktaş take on Trabzonspor at the Avni Aker stadium in two weeks time.
The Black Eagles also have a match against Istanbul rivals Galatasaray at the Türk Telekom Arena in the seasons penultimate week.
Beşiktaş are currently second in the Süper Lig, one point behind league leaders Fenerbahçe. Galatasaray are third but only on goal difference.
The Istanbul giants will take on relegation strugglers Karabükspor next while Trabzonspor face Gençlerbirliği in Ankara.