untrammelled
adjective UK formal (US usually untrammeled) uk/ʌnˈtræm.əld/ us/ʌnˈtræm.əld/
不受限制的；自由自在的
not limited by rules or any other controlling influence
Self-governing schools are untrammelled by education authority rules. 实行自治的学校不受地方教育当局规章的约束。