Complex sentence: The third, he asked Wu Bochao for help later in 1927 after school.The forth, he became a student of Liu Tianhua (simplified Chinese: 刘天华, a national musical instrument composer) officially from 1929 to 1932.
Split into simpler sentences: The third, he asked Wu Bochao for help later in 1927 after school. The fourth, he became a student of Liu Tianhua (simplified Chinese: 刘天华, a national musical instrument composer) officially from 1929 to 1932.