defenceless
adj. （英）无防御的；无保护的
例句
The village is defenceless against attack.
这个村庄毫无防御能力。
《牛津词典》
This was a savage attack on a defenceless young girl.
这是对一个无力自卫的小姑娘的野蛮袭击。
《柯林斯英汉双解大词典》
Defenceless Hook found him.
毫无防备的胡克找到了他。
