1. She decided to cast off her old clothes and donate them to charity.
她决定把旧衣服扔掉，并捐赠给慈善机构。

2. The fisherman cast off his line and waited for a bite.
渔夫把鱼线放下，等待着鱼儿上钩。

3. It's time to cast off the chains of self-doubt and embrace your true potential.
是时候摆脱自我怀疑的枷锁，拥抱你真正的潜力了。

4. The sailor cast off the ropes and the ship began to sail away from the dock.
水手解开绳索，船只开始离开码头航行。

5. The actress was finally able to cast off the shadow of her former role and establish herself in a new genre.
这位女演员终于摆脱了之前角色的阴影，在新的领域中立足。

6. It's important to cast off negative thoughts and focus on the positive aspects of life.
摆脱消极的想法，专注于生活的积极方面是很重要的。