Sterling became the first player in Premier League history to net in his first six appearances against a particular club, when he registered in the 3-1 win over Cherries on Saturday.
In total, the 23-year-old has eight top-flight goals to his name against Howe's men.
“He has the ability to go past people with the pace he's got and his finishing ability is of a very high level.
“He is a tough man to stop but they are a tough team to stop. The best coaches in the world build plans to try to stop them.
“I wouldn't say it's impossible because I don't believe in that word but it's as hard as you will get in football."