Presently, the cracked bell tapped and a voice gave the order to cast off.

不久，船上的破钟敲响了，一个声音发出了开船的命令。

He wants to cast off the peculiar curse that makes him a stranger to the village.

他想打破那个专门为他所施的咒语，不想成为村中的陌生看客。

The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards.

真正安全的系统只能关机断电，放到一个混凝土浇注的建筑物中的一个密闭的房间中，并配备警力进行守卫。