harum-scarum + noun
He is a harum-scarum fellow.
他是一个冒失的家伙。
鲁莽的,轻率的,不负责任的；冒失的；鲁莽的
wild and careless; rash or irresponsible
鲁莽的,轻率的,不负责任的
wild, careless, irresponsible
His harum-scarum driving scared everyone in the car.
他鲁莽的驾驶把车里的每个人都吓坏了。
用法提示：形容词，修饰 driving，表示鲁莽的驾驶行为。
She made a harum-scarum decision to quit her job without any backup plan.
她鲁莽地决定辞职，没有任何后备计划。
用法提示：形容词，修饰 decision，表示轻率的决定。
The harum-scarum teenager rushed into the street without looking.
那个鲁莽的少年没有看路就冲到了街上。
用法提示：形容词，修饰 teenager，表示冒失的少年。
He is a harum-scarum fellow.
他是一个冒失的家伙。
His behavior is harum-scarum.
他的行为很鲁莽。
grammar · medium
易错句子He drove harum-scarum down the street.
正确表达He drove in a harum-scarum manner down the street.
„harum-scarum” 是形容词，不能直接作状语。应使用介词短语 “in a ... manner” 或改为 “He was harum-scarum when driving” 等结构。
grammar · medium
易错句子He is a harum-scarum.
正确表达He is harum-scarum.
„harum-scarum” 在该词库中仅标注为形容词，不能作名词表示“冒失的人”。应直接作表语。
harum-scarum 强调一种轻率、冒失且带点神经质的性格，而 reckless 更侧重于不顾后果、缺乏谨慎的行为。
harebrained 特指计划或想法愚蠢、不切实际，而 harum-scarum 描述的是人的整体行为冒失。
rash 通常针对某一具体决定或行动，指仓促未加思考，而 harum-scarum 则是更持久的人格特质。
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