1. 使触电身亡;用电击伤
If someone is electrocuted, they are accidentally killed or badly injured when they touch something connected to a source of electricity.

2. 用电刑处死（罪犯）
If a criminal is electrocuted, he or she is executed using electricity.

1. kill by electrocution, as in the electric chair

e.g. The serial killer was electrocuted

Synonym: fry

2. kill by electric shock

e.g. She dropped the hair dryer into the bathtub and was instantly electrocuted