adj.愚蠢的，无头脑的

He's completely brainless, always making foolish decisions without any thought.
他完全没头脑，总是不经思考就做出愚蠢的决定。
The brainless party guest spilled red wine all over the host's white carpet.
那个没头脑的派对宾客把红酒洒在了主人的白色地毯上。
I can't believe they aired such a brainless reality show; it lacks any intellectual value.
我真不敢相信他们播出了这么一个毫无头脑的真人秀节目；它没有任何知识价值。
The brainless act of vandalism has left the historic statue severely damaged.
那次毫无理智的破坏行为使这座历史悠久的雕像严重受损。
She dismissed his suggestion as just another brainless idea from someone who never thinks things through.
她认为他的建议只是另一个从不深思熟虑的人提出的无脑想法，因而不予理会。
Watching that brainless comedy was a complete waste of two hours; I didn't laugh once.
看那部无脑喜剧完全是浪费了两个小时的时间；我一次都没笑过。
His brainless behavior during the meeting embarrassed not only himself but also the entire team.
他在会议上的无脑行为不仅让自己难堪，也让整个团队感到尴尬。
The brainless design of the user interface makes it extremely difficult for users to navigate the website efficiently.
用户界面设计得毫无头脑，使得用户难以高效地浏览网站。
They decided to replace the brainless manager with someone who could actually strategize and make informed decisions.
他们决定用一个能真正制定战略并做出明智决策的人替换那个没头脑的经理。
It's frustrating when you have to constantly explain basic concepts to someone who seems utterly brainless about the subject.
当你不得不不断地向一个对该主题似乎完全没头脑的人解释基本概念时，这令人非常沮丧。