Change the statement using expression into statement in ordinary language.
Raghu is old. His uncle is old and his aunt is old.
Raghu's age
His Uncle's age (i.e. times the age of Raghu)
His Aunt's age (i.e. less than the Uncle's age)
Thus, the required statement is Raghu's Uncle is times the age of Raghu while his Aunt is younger than the Uncle.