be empty-headed
表语结构，描述主语的特征。
He is so empty-headed that he can't even remember his own phone number.
他愚蠢到连自己的电话号码都记不住。
轻浮的；不严肃的；无头脑的
不严肃的；轻浮的；愚笨的；无知的
不严肃的；轻浮的
lacking seriousness; given to frivolity
She calls her brother empty-headed because he never thinks before he acts.
她叫她哥哥没头脑，因为他做事从不思考。
用法提示：形容词作宾语补足语，表示“没头脑的、愚笨的”。
It was an empty-headed decision to spend all the money on games.
把钱全花在游戏上是一个愚蠢的决定。
用法提示：形容词作定语修饰decision，意为“愚蠢的、无头脑的”。
Stop asking such empty-headed questions and read the instructions first.
别再问这么无脑的问题了，先看看说明书。
用法提示：形容词作定语，表示“无知的、无头脑的”。
表语结构，描述主语的特征。
He is so empty-headed that he can't even remember his own phone number.
他愚蠢到连自己的电话号码都记不住。
定语结构，修饰名词。
She made an empty-headed remark during the meeting.
她在会上说了一句愚蠢的话。
宾语补足语结构，表达对某人或某事的看法。
I find his arguments completely empty-headed.
我觉得他的论点完全无知。
比empty-headed更通用，侧重缺乏判断力
语气较轻松，多指幼稚行为
与empty-headed的'given to frivolity'直接对应，侧重不严肃
口语化，强调缺乏智力
grammar · medium
易错句子Don't listen to that empty-headed.
正确表达Don't listen to that empty-headed person.
形容词“empty-headed”不能单独作宾语，需要修饰一个名词，如“person”。
grammar · medium
易错句子He is empty-headed of any wisdom.
正确表达He is empty-headed.
英语中“empty-headed”是整体形容词，不接“of”短语表示缺乏某物，直接描述状态即可。
empty 形容物体或空间内无内容，而 empty-headed 形容人愚笨无知，侧重心智而非物理状态
light-headed 指因疾病或眩晕导致头脑不清，而 empty-headed 指智力低下或缺乏思考能力
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