Bilic was speaking to the media ahead of West Ham’s Premier League game against Everton at the Boleyn Ground on Saturday afternoon.
The Croatian suggested that his side can finish in the top four this campaign and qualify for next season’s Champions League, as reported by Sky Sports News HQ.
Former West Ham winger Sinclair was impressed with the Croatian’s comments and has hailed the positivity he has brought to the club.
West Ham have been playing well this season and are in the running for a top-four finish in the Premier League.
The London outfit are sixth in the league table at the moment with 20 points from 11 matches, just a point behind fourth-place Manchester United.
The Hammers will head into Saturday’s match on the back of a 2-0 defeat to Watford away from home at Vicarage Road.