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negligently do sth
negligently 可放在动词前，强调动作是疏忽所致；它也可以移到句末，意思基本相同。
He negligently left the front door unlocked.
他疏忽地没有锁前门就离开了。
疏忽地；粗心大意地
先理解核心含义，再看它在真实句子里的用法。
疏忽地；粗心大意地
in a negligent manner
He negligently left the front door unlocked.
他疏忽地没有锁前门就离开了。
疏忽地；粗心地。
In a negligent manner: carelessly or inattentively.
She negligently left the front door unlocked when she went out.
她出去时疏忽地没锁前门。
He negligently forgot to save his work before the computer crashed.
他疏忽地忘了在电脑崩溃前保存工作。
They negligently dropped the box, and the glasses inside broke.
他们疏忽地摔了盒子，里面的眼镜碎了。
negligently 可放在动词前，强调动作是疏忽所致；它也可以移到句末，意思基本相同。
He negligently left the front door unlocked.
他疏忽地没有锁前门就离开了。
The nurse handled the medical records negligently.
这名护士疏忽大意地处理了医疗记录。
Not this
He acted negligent and forgot to lock the door.
Use this
He acted negligently and forgot to lock the door.
作状语修饰行为时应用副词 negligently，而不是形容词 negligent。
Not this
The difference is negligently small.
Use this
The difference is negligibly small.
要表达“小到可忽略”时，应使用副词 negligibly（来自 negligible），而 negligently 意为“疏忽地”，与句意不符。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
行事疏忽；草率行事
Act negligently in a factory and you may endanger your coworkers.
在工厂里草率行事，可能会危及同事的安全。
因疏忽而造成的
The court ruled that the damage was negligently caused by the contractor.
法院裁定损害是由承包商疏忽造成的。
因疏忽而没有做（某事）
She negligently failed to notify customers about the change.
她因疏忽没有通知顾客这个变化。
疏忽地处理；不当搬运
The package was negligently handled during transit.
包裹在运输途中被疏忽处理了。
疏忽驾驶
He was fined for driving negligently in bad weather.
他因在恶劣天气中疏忽驾驶而被罚款。
草率进行；疏忽操作
The procedure was negligently performed by an unqualified assistant.
这项操作是由一名不合格的助手草率完成的。
Use negligently naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
negligently 由 negligent（粗心的）加 -ly 组成；粗心地做事，就是疏忽地、粗心大意地。
语域：formal 常见场景：法律文书、正式报告、正式公告 多用于正式或法律语境，强调未能尽到应有的注意义务；日常口语中较少使用，更常听到 carelessly。
这些词都不与 negligently 押韵。diligently、intelligently、urgently 与 negligently 共享末尾读音 /dʒəntli/，但重音位置不同。gently 的拼写与 negligently 末尾的 gently 相同，但读音是 /ˈdʒentli/，注意元音不同。recently、frequently 的 -ently 拼写容易误导，实际读 /əntli/。
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.