It means that I consider refuge in Sri Hanuman, the one particular, that is swift as the thoughts and rapidly as being the wind. He would be the master on the senses and honored for his great intelligence, Understanding, and knowledge. भूत पिशाच निकट नहिं आवै। महावीर जब नाम सुनावै॥ https://emiliopgwly.digitollblog.com/34755081/considerations-to-know-about-hanuman-chalisa