be feeble-minded
He was born feeble-minded.
他天生智力低下。
智力低下的；意志薄弱的
智力低下的；缺乏坚定或恒心的；缺乏智力的；低能的；无决断的；意志薄弱的；[法] 精神虚弱的；不果断的
智力低下的；缺乏坚定或恒心的；缺乏智力的
Weak in intellectual power; lacking firmness or constancy; lacking intelligence.
The teacher was concerned that the feeble-minded student could not keep up with the class.
老师担心那个智力低下的学生跟不上班级进度。
用法提示：feeble-minded 作为形容词，描述智力水平低下的状态，修饰学生。
His feeble-minded decision to invest all his savings in a risky scheme led to bankruptcy.
他意志薄弱的决定，把所有积蓄投资到一个风险计划中，导致了破产。
用法提示：feeble-minded 表示缺乏决断力或意志薄弱，修饰决定。
The feeble-minded old man was easily tricked by the con artist.
那个头脑不灵光的老人很容易就被骗子欺骗了。
用法提示：feeble-minded 形容智力低下或判断力差，修饰老人。
He was born feeble-minded.
他天生智力低下。
The institution cares for feeble-minded children.
该机构照顾低能儿童。
She is too feeble-minded to understand the instructions.
她智力太低，无法理解这些指令。
grammar · medium
易错句子He is feeble.
正确表达He is feeble-minded.
用"feeble"仅表示身体虚弱，而"feeble-minded"专门指智力低下或意志薄弱。
grammar · medium
易错句子He is a feeble-minded.
正确表达He is feeble-minded.
"feeble-minded"是形容词，不能用作名词，因此前面不能加冠词"a"。
weak-minded侧重缺乏决断力和易受影响，而feeble-minded更强调智力低下。
slow-witted指理解或反应慢，feeble-minded则指整体智力水平低。
simple-minded强调天真、缺乏复杂性，可能含轻微贬义；feeble-minded更正式、程度更重。
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