sitting duck
US /ˈsɪtɪŋ dʌk/
UK /ˈsɪtɪŋ dʌk/
1.
活靶子, 易受攻击的目标
a person or thing that is easy to attack or criticize
:
•
Without proper security, the server was a sitting duck for hackers.
没有适当的安全措施，服务器成了黑客的活靶子。
•
The politician became a sitting duck after his scandal was exposed.
丑闻曝光后，这位政客成了众矢之的。