Complex sentence: When another general, Han Xin revolted against the Han court but failed to be executed, he became feared about his future and decided to rebel, but his force could not match the Han, and he fled to Xiongnu and died there.
Split into simpler sentences: When another general Han Xin revolted against the Han court but failed to be executed, he became feared about his future, and decided to rebel. Again, his force could not match the Han, and he fleed to Xiongnu, died there.