The phrase "fragile balance" refers to a delicate equilibrium or stability that is easily disrupted or damaged. It suggests that even a slight change or disturbance can greatly affect the overall situation or system. Full definition
Georgia has upset that fragile balance in the last two seasons with a pair of one - score wins. (sbnation.com)
The exhibition Alexander Calder & Fischli / Weiss at Fondation Beyeler focuses on the fleeting, precarious and exhilarating moment of fragile balance as expressed through the works of Calder and Fischli / Weiss in the early - and late - twentieth century, respectively. (vernissage.tv)