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

shook 是动词 shake 的过去式，shake 的基本意思是"摇动、震动"。 off 是介词，表示"离开、脱离"的状态或动作。 shook 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"某种负担或困扰。