Correct

活口

/ huó kǒu / 
Strokes

Example

As a Noun

survivor of a murder attempt; living witness to a crime

1
Xiōngshā
凶杀
méiyǒu
没有
liúxià
留下
huókǒu
活口
  
,
zhuībǔ
追捕
xiōngshǒu
凶手
kě
可
jiù
就
nán
难
le
了
  
。

As no one survived the murder, it would be a challenge to track down the murderer.

As a Noun

prisoner of war who can furnish information

As a Noun

flexible tone; open-ended remark

As a Verb

support oneself or one's family