Smooth the path/way Verb + object/complement
To facilitate something by removing problems
I always take my kids to join outside activities to smooth the way for their physical growth.
Working closely with customers can smooth the path for me to create new products that satisfy their needs.
To help something run or work smoothly or successfully
If a person has the devil's own luck, he or she has extremely good luck.
A: Yesterday I won a $10 million lottery jackpot and today I won a car in a draw.
B: You have the devil's own luck.