put someone to sleep

• 杀死(家畜)；使长眠

put someone to sleep的用法和样例：

例句

1. Douglas put away Collins in cold blood.
   道格拉斯蓄意杀死了柯林斯。
2. He is said to have been blasted down by his nephew.
   据说他是被他的侄子杀死的。