介绍： 1. heap: If you heap praise or criticism on someone or something, you give them a lot of praise or criticism.

Eg: The head of the navy heaped scorn on both the methods and motives of the conspirators.

2. go off: If an electrical device goes off, it stops operating.

Eg: As the water came in the windows, all...

介绍： 1. heap: If you heap praise or criticism on someone or something, you give them a lot of praise or criticism.

Eg: The head of the navy heaped scorn on both the methods and motives of the conspirators.

2. go off: If an electrical device goes off, it stops operating.

Eg: As the water came in the windows, all the lights went off.

3. Hang by a thread: Depend on a small thing or be at risk.

Eg: For some time after he dangerous operation, Keren's life hang by a thread.