死死抓牢

例句：

1. 1.The prisoner was fettered by the heavy chains.
   囚犯被沉重的链条束缚。
2. 2.The scientist found it difficult to fetter his imagination.
   科学家发现很难约束他的想象力。
3. 3.The company's strict policies fettered innovation.
   公司的严格政策限制了创新。