HAHAHA lolI stalk the people who have said: ''It's too Overpowered'' :p
Practice killing both adults and baby wolves in singleplayer. It boils down to timing your hits just as you would in PvP. I found it best to attack when they're leaping.
Wolves are NOT OP if you can kite them. Kite them properly = zero damage taken from wolves. They're only "OP" if people fail to dodge them or get stuck in a corner.