Complex sentence: In February 1941, Fr Paschang received a pass from the Japanese occupation forces to visit Hong Kong but his purpose for coming here was only to leapfrog to the unoccupied areas of his Diocese of Jiangmen to visit the priests and Sisters.
Split into simpler sentences: In February 1941, Fr Paschang received a pass from the Japanese occupation forces to visit Hong Kong. The real purpose for his move was to leapfrog over into the unoccupied areas of his Diocese of Jiangmen in order to visit the priests and Sisters.