It can mean a whole bevy of things; from Alcoholic Hepatitis, or one of the A,B,C Hep.varieties, Gallbladder inflammation, Mono, Certain Medicines, the reasons for an elevation in Liver Enzymes are many, http://www.mayoclinic.com/health/elevated-liver-enzymes/MY00508/DSECTION=causes. Your doctor will likely discuss any possible risky behaviours with you, and check what Meds you may be taking, then follow up by ordering a more specialized test which pinpoints and differentiates actual levels and type of enzyme spikes, before making any further decisions.
That your liver enzymes are high. You should have asked him this question when he/she told you that.
Elevated liver enzymes may indicate inflammation or damage to cells in the liver. Inflamed or injured liver cells leak higher than normal amounts of certain chemicals, including liver enzymes, into the bloodstream, which can result in elevated liver enzymes on blood tests. How all this relates to you is something only your doctor can answer.