After years of struggle, she finally shook off the financial burdens that held her back.

shook 是动词 shake 的过去式。 off 在短语动词中作副词，表示"离开、脱落"的状态。 shake off 是一个短语动词，字面意思是"通过摇动使某物脱落"，引申为"摆脱、甩掉"疾病、困扰或负担。