1. throw away 丟掉
They cast away the equipment they would not need. 他們扔掉了他們不再需要的設備。
He cast away an advantage. 他失去了優勢。
2. wreck(a ship)(船)遇難;使(船)失事(常用被動語態)
The new ship was cast away during the storm. 這條新船在暴風雨中沉沒。
A good many ships have been cast away in the Arctic Ocean. 在北冰洋,曾有許多船只失事。