sitting target
noun [ C ] uk/ˌsɪt.ɪŋ ˈtɑː.ɡɪt/ us/ˌsɪt̬.ɪŋ ˈtɑːr.ɡɪt/
坐着的目标，易被击中的目标
a person or thing that is without protection and easily attacked
In his open car, the president was a sitting target for assassins. 总统坐在他的敞篷车里，对刺客来说是一个容易击中的目标。
If you don't lock your doors and windows, you'll be a sitting target for burglars. 如果你不锁上你的门和窗，你就会成为窃贼容易得手的目标。