1.He led them up to Mr Sinik's roof and showed them in person, demonstrating on a friend, how he had garrotted his victims.

他把他们带克先生的屋顶，和一朋友一块展示，他是死他的受害者的。

2.The end of that may garrotte much of the tail.

尾巴的末端可能会死大部分尾巴。机翻