New Words：

murder [ˈmɜːrdər]
v.谋杀；凶杀
n.谋杀；凶杀

murderer [ˈmɜːrdərər] n.杀人犯；杀人凶手

Sample Sentences：

What was the murder weapon?
You're under arrest for the murder of your husband!

The old man was murdered last night.
He's the one who tried to murder my dogs.

The murderer drowned him in the pool.
The murderer has killed nine people during the last three years!

arrest [əˈrest]
n.逮捕；拘捕
v.逮捕；拘留

under arrest 被捕;逮捕;被捕了;被逮捕

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