unnecessarily + adjective
用于修饰形容词，表示“过分地”。
The instructions were unnecessarily complicated.
说明不必要地复杂。
不必要地；无谓地
过分地；过度地；毫无必要地；多余地
in a way that is not necessary; without necessity
In an unnecessary way; not by necessity.
不必要地
in an unnecessary manner
To an extent beyond what is needed.
毫无必要地
without any necessity
Don't worry unnecessarily about things you cannot change.
不要为无法改变的事情不必要地担心。
用法提示：unnecessarily 修饰动词 worry，表示‘没有理由地、不必要地’。
AI contextual example
The report was unnecessarily long, so I skimmed it.
这份报告长得没有必要，所以我略读了。
用法提示：unnecessarily 修饰形容词 long，表示‘过分地、超出需要的程度’。
AI contextual example
She apologized unnecessarily for a small mistake.
她为一个小错误做了不必要的道歉。
用法提示：unnecessarily 修饰动词 apologized，表示‘没有必要时这样做’。
AI contextual example
用于修饰形容词，表示“过分地”。
The instructions were unnecessarily complicated.
说明不必要地复杂。
用于动词后，表示动作“多余地”。
Don't worry unnecessarily.
不要不必要地担心。
用于被动结构中。
The report was unnecessarily lengthened.
报告被不必要地拉长了。
与unnecessarily基本可互换，语气相近
强调无正当理由，有时带有指责意味
强调无目的性，可能包含浪费之意
侧重超出所需，比unnecessarily稍正式
强调超出正常范围，程度比unnecessarily重
grammar · medium
易错句子The delay was unnecessarily.
正确表达The delay was unnecessary.
“unnecessarily”是副词，不能用作表语。此处需要形容词“unnecessary”来修饰主语“delay”。
grammar · medium
易错句子It was an unnecessarily step.
正确表达It was an unnecessary step.
“unnecessarily”是副词，不能直接修饰名词。应使用形容词“unnecessary”来修饰名词“step”。
与unnecessarily（不必要地）直接相反，表示‘以必要的方式’
不必要的，多余的
不必要地，多余地
不必要地复杂
The instructions were unnecessarily complicated, causing confusion.
这些说明不必要地复杂，造成了困惑。
不必要地严厉
The teacher's criticism was unnecessarily harsh.
老师的批评不必要地严厉。
不必要地长
The meeting was unnecessarily long due to off-topic discussions.
由于离题讨论，会议不必要地长。
不必要地昂贵
They bought an unnecessarily expensive car for their needs.
他们买了一辆不必要地昂贵的车，超出了他们的需求。
不必要地困难
The test was made unnecessarily difficult by the tricky wording.
由于措辞刁钻，考试被弄得 不必要地困难。
prefix
root
suffix
related (same prefix and root)
related (same root and suffix)
表示程度超出必要，与unnecessarily同表多余
形容数量或程度超出合理范围，概念相关
强调不必要或过剩，语义相近但非直接同义
指重复或不必要，常用于信息或资源
表示缺乏理由或必要性，语义关联
我不是嫉妒，我只是不必要的刻薄。
From the song 'Jealousy, Jealousy' by Olivia Rodrigo, a pop culture reference to the singer's admission of being overly harsh due to jealousy.
出自奥利维亚·罗德里戈的歌曲《Jealousy, Jealousy》，流行文化中引用歌手因嫉妒而过度刻薄的坦白。
Dictionary facts from ECDICT, WIKTIONARY.