be reckless
He is reckless.
他很鲁莽。
鲁莽的；轻率的；不计后果的
粗心大意或不加思索；任性或鲁莽。；对危险或后果无视的；；对危险或其后果漠不关心或视而不见。；表现出粗心大意的；；不介意的
Careless or heedless; showing a complete lack of concern for danger or the consequences of one's actions.
粗心大意或不加思索；任性或鲁莽。
Careless or heedless; headstrong or rash.
对危险或后果无视的；
marked by defiant disregard for danger or consequences; ; -Macaulay
对危险或其后果漠不关心或视而不见。
Indifferent or oblivious to danger or the consequences thereof.
表现出粗心大意的；
characterized by careless unconcern; - Edith Wharton
He made a reckless decision to drive through the red light.
他做出了一个鲁莽的决定，闯了红灯。
用法提示：本句中reckless修饰decision，表示鲁莽的决定。
AI contextual example
It would be reckless to invest all your money in such a risky scheme.
把所有钱都投到这样一个高风险计划中是很鲁莽的。
用法提示：本句中reckless作表语，表示鲁莽的。
AI contextual example
Her reckless spending caused her to go into debt.
她不顾后果的消费导致她负债累累。
用法提示：本句中reckless修饰spending，表示不顾后果的消费。
AI contextual example
He is reckless.
他很鲁莽。
She is reckless with money.
她花钱很鲁莽。
He is reckless in his driving.
他开车很鲁莽。
It was reckless to ignore the warning.
忽视警告是鲁莽的。
强调匆忙行事，缺乏思考
侧重不注意细节，不一定主动冒险
贬义更强，指愚蠢地冒险
强调一时冲动，缺乏克制
侧重对警告或后果不予理会
grammar · medium
易错句子He drove reckless.
正确表达He drove recklessly.
形容词'reckless'不能作副词修饰动词；应用副词'recklessly'。
grammar · medium
易错句子He is reckless to the danger.
正确表达He is reckless of the danger.
表示‘不顾危险’应用'reckless of'，而不是介词'to'。
与reckless相反，表示对危险或后果有意识并采取预防措施
与reckless相反，表示避免粗心大意
与reckless相反，强调深思熟虑和明智判断
与reckless相反，表示考虑行为后果并承担责任
与reckless相反，表示对潜在危险保持警觉
careless侧重于因不注意而犯错，reckless强调明知危险却不顾后果。
rash指仓促决定或行动，缺乏考虑；reckless更强调无视危险。
鲁莽驾驶
He was arrested for reckless driving on the highway.
他因在高速公路上鲁莽驾驶被捕。
鲁莽行为
The teenager's reckless behavior worried his parents.
这个青少年的鲁莽行为让他的父母担忧。
不顾一切
She danced with reckless abandon, not caring who watched.
她不顾一切地跳舞，不在乎谁在看。
鲁莽危害
The driver was charged with reckless endangerment after the accident.
事故发生后，司机被指控鲁莽危害他人安全。
挥霍无度
His reckless spending left him deep in debt.
他的挥霍无度使他负债累累。
adverb
noun
毫无顾忌；鲁莽放纵
He threw himself into the project with reckless abandon.
他毫无顾忌地投入到这个项目中。
鲁莽漠视；不顾后果
The company showed reckless disregard for the environment.
这家公司对环境表现出鲁莽的漠视。
我不顾一切，当我爱你时不顾一切。
She was reckless with her heart, jumping into relationships without caution.
她对感情毫不谨慎，不顾后果地投入恋情。
哦，上帝那势不可挡、永无止境、不计代价的爱。
His reckless generosity left him broke but happy.
他无所顾忌的慷慨让他身无分文但很快乐。
Dictionary facts from ECDICT, WIKTIONARY.