National Sun Yat-sen University
Cheng was admitted by the National Sun Yat-sen University in Canton, China, to study medicine in 1948. His study was interrupted in 1950 when he reunited with his family in Macau. In 1960, he was recruited by the All India Radio in Delhi, India, as a Chinese-language announcer. In 1965, he was recruited by the British Broadcasting Corporation radio station to perform interpretation and broadcasting work in the United Kingdom.