沉重的负重感可以用英文表达为 "a heavy burden" 或 "a sense of heavy burden." 这个说法来源于常见的表达方式，即将重物比喻成负担。
例句：
The heavy burden of responsibipty weighed on his shoulders. (责任的沉重负担压在了他的肩膀上。)
She felt the weight of the world on her shoulders. (她感觉自己背负着全世界的重担。)
The burden of proof is on the prosecutor. (证明责任在检察官身上。)
例句：
The heavy burden of responsibipty weighed on his shoulders. (责任的沉重负担压在了他的肩膀上。)
She felt the weight of the world on her shoulders. (她感觉自己背负着全世界的重担。)
The burden of proof is on the prosecutor. (证明责任在检察官身上。)