1
be careless with sth
He is careless with his money.
他对钱很粗心。
粗心的；疏忽的；马虎的
先理解核心含义，再看它在真实句子里的用法。
粗心的；疏忽的；马虎的
making or likely to make mistakes because of not paying enough attention; not careful
He is careless with his money.
他对钱很粗心。
不关心的；不担忧的
Not concerned or worried (about).
粗心大意的；不谨慎的；缺乏注意或考虑的
marked by lack of attention or consideration or forethought or thoroughness; not careful
不够注意或思考的；尤其指未能避免伤害或错误
Not giving sufficient attention or thought, especially concerning the avoidance of harm or mistakes.
不费力的,自然的；不做作的
effortless and unstudied
He made a careless mistake on the math test.
他在数学考试中犯了一个粗心的错误。
AI contextual example
Careless driving can lead to serious accidents.
粗心驾驶可能导致严重事故。
AI contextual example
She is often careless about locking the door at night.
她晚上经常粗心大意不锁门。
AI contextual example
careless about her clothes
她不在乎自己的穿着
WordNet
He is careless with his money.
他对钱很粗心。
about表示对...不在意。
She is careless about her appearance.
她对自己的外表很粗心。
in表示在...过程中。
He is careless in handling the documents.
他在处理文件时很粗心。
Not this
He is very careless and enjoys life.
Use this
He is very carefree and enjoys life.
careless 意为'粗心的'，含贬义；carefree 意为'无忧无虑的'，含褒义。此处应用 carefree。
Not this
He drives very careless.
Use this
He drives very carelessly.
修饰动词 drive 应使用副词 carelessly，而非形容词 careless。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
粗心的错误
He made a careless mistake on the test.
他在考试中犯了一个粗心的错误。
粗心驾驶
Careless driving can cause accidents.
粗心驾驶可能导致事故。
粗心的态度
Her careless attitude towards homework led to poor grades.
她对家庭作业的粗心态度导致了糟糕的成绩。
轻率的言论
His careless remark offended several people.
他那轻率的言论冒犯了几个人。
对…粗心
She is often careless with her belongings.
她经常对自己的物品粗心。
时间永远无法弥补，一位好朋友的轻率低语。
She was careless with her words and hurt her friend.
她说话不谨慎，伤害了她的朋友。
Use careless naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
少了一份关心(care)，就多了一份粗心(careless)。
通常用于各类场合，没有明显的正式或非正式倾向。
Among the listed words, hairless and airless rhyme with careless (same stressed vowel /ɛə/). The others do not rhyme because their stressed vowels differ: helpless (/ɛ/), useless (/uː/), restless (/ɛ/), endless (/ɛ/). However, all share the spelling suffix -less.
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.