balancing act
US /ˈbæl.ən.sɪŋ ækt/
UK /ˈbæl.ən.sɪŋ ækt/

1.
綱渡り, バランスをとる行為
a difficult situation where you try to give attention to two or more things at the same time
:
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Managing work and family life is a constant balancing act for many parents.
仕事と家庭生活の両立は、多くの親にとって絶え間ない綱渡りです。
•
The government's new policy is a delicate balancing act between economic growth and environmental protection.
政府の新しい政策は、経済成長と環境保護の間のデリケートな綱渡りです。