break the fetters of meaning in English

挣脱的羁绊

Basing on these , sages enhanced and developed continuously the idea of knowledge , aesthetics and creation including touching off mood with imagery , seeking ideal state with mood , attaining the virtual image hidden behind real images by breaking the fetters of language
正是基于“言意之辨” ，先哲们不断丰富、发展了以象兴意、借象求境、 “得意忘言”的认识、审美与创作思想。