算是插入語或是介詞片語? Both! It is a prepositional phrase and uses as an adjective to supplementally describe "Mr. Jones".
1. She grudges such a stupid fellow his manor house 這句不可以改成She grudges such a stupid "fellow's"...
1.Hey! Come on! Very interesting! The manor this summer, everybody plays together, it can not be dangerous, some are happy...