Complex sentence: He was a close associate of Emperor Dezong and was in charge of financial matters, and he drew severe criticism from traditional historical accounts for his frivolousness, fiscal irresponsibility, and attacks against other officials.
Split into simpler sentences: He was a close associate of Emperor Dezong and was in charge of financial matters,. He drew severe criticism from traditional historical accounts for his frivolousness, fiscal irresponsibility, and attacks against other officials.