Ground down by the sapping realities of modern city life, China’s young people are “lying flat,” the latest buzzword for those tapping out of a culture of endless work with little reward. With growing inequality and rising costs of living nudging traditional markers of success out of reach, some young people are choosing to do the bare minimum at work, dialing back the go-getting aspirations their parents once harbored. “Tang ping (躺平)” — or “lying flat” — has emerged as the latest Internet-crafted principle to navigate the pains of finding a job among thousands of applic...