Complex sentence: In 1939, Yam joined an all-female opera troupe (Chinese: 群芳艷影) and, for ten years, was stuck in Macau when her hometown in Guangdong fell to the Japanese during the Second Sino-Japanese War.
Split into simpler sentences: In 1939, Yam joined an all-female opera troupe (Chinese: 群芳艷影). For ten years, was stuck in Macau when her hometown in Guangdong fell to the Japanese during the Second Sino-Japanese War.