juggling act
noun [ S ] uk/ˈdʒʌɡ.lɪŋ ˌækt/ us/ˈdʒʌɡ.lɪŋ ˌækt/
（需同时处理几件不同事情的）困难任务（或局面）
a difficult task or situation that involves dealing with several different things at the same time
Her life is a constant juggling act, coping with career, family, and home life single-handed. 她的生活一直不容易，独自一人同时应对事业和家庭。