What is "balancing acts"

n. (plural of balancing act English)

Balancing Acts is a 2005 documentary film by Donna Schatz that chronicles the lives of Chinese acrobat Man-Fong Tong and his wife Magda Schweitzer, a Jewish acrobat from Budapest, Hungary. The two met in Europe on the eve of World War II. They were both at the peak of their careers, performing at the Moulin Rouge and Cirque Medrano, and alongside acts such as Maurice Chevalier and Bill 'Bojangles' Robinson. While their careers were full of success, the spread of Nazism brought them great hardships. Their marriage saw the trials of wartime Europe, post-war poverty, the birth of two sons, and a difficult ten-year separation from one another.