assiduously + verb
assiduously 通常放在所修饰的动词之前。
She assiduously studied the report.
她刻苦地研读了报告。
勤勉地；刻苦地；孜孜不倦地
以勤奋的方式；勤勉地,刻苦地。；认真且坚持不懈地；刻苦地；勤勉地
以勤奋的方式；勤勉地,刻苦地。
In an assiduous manner; diligently, industriously.
认真且坚持不懈地
with care and persistence
She assiduously reviewed her notes every evening before the final exam.
期末考试前，她每天晚上都刻苦地复习笔记。
用法提示：assiduously 是副词，修饰动词 reviewed，表示“刻苦地、坚持不懈地”。
AI contextual example
He assiduously practiced the piano for years to become a concert pianist.
他多年来勤勉地练习钢琴，最终成为一名音乐会钢琴家。
用法提示：assiduously 修饰 practiced，强调长期、认真地付出努力。
AI contextual example
The team assiduously checked every detail of the report before submitting it.
团队在提交报告前孜孜不倦地核对了每一个细节。
用法提示：assiduously 修饰 checked，表示仔细且持续地用心的态度。
AI contextual example
assiduously 通常放在所修饰的动词之前。
She assiduously studied the report.
她刻苦地研读了报告。
当动词不带宾语时，assiduously 也可以放在动词之后。
He worked assiduously on the project.
他勤勉地做这个项目。
最直接、最常用的近义词，语气比 assiduously 略自然；常与 work、study、practice 等搭配。
侧重勤奋忙碌、产出多，不一定强调细致；多形容埋头工作或劳动。
强调长时间不休息、持续投入，较有感情色彩；与 assiduously 相比少了一层“仔细”义。
侧重“坚持不放”，在否定语境中可含贬义（如纠缠不休）；未必有“认真细致”的含义。
强调非常小心、不嫌麻烦，正式且多用于书面；侧重“仔细”而非“持久”。
grammar · medium
易错句子She is very assiduously.
正确表达She works very assiduously.
assiduously 是副词，不能放在系动词 be 后作表语；要保留这个副词，就需要改用实义动词 works，让副词修饰动作。
grammar · medium
易错句子He studies assiduouslyer than his brother.
正确表达He studies more assiduously than his brother.
以 -ly 结尾的副词构成比较级时应用 more，而不能直接在词尾加 -er；assiduouslyer 是过度泛化产生的错误。
与 assiduously（勤勉地）相对，强调缺乏努力；lazily 侧重不肯用力，未必指粗心。
与 assiduously（勤勉地）相对，强调缺乏细心；carelessly 侧重不仔细，不同于不努力。
与 assiduously（勤勉地）相对，强调疏忽失职；negligently 常含职责上的过失。
diligently 强调认真努力、用功，而 assiduously 更强调持久不懈且细心周到。日常语境中 diligently 更常用。
assiduous 是形容词，词性不同，不能代替副词的 assiduously 修饰动词；应使用 as an assiduous worker 而非 work assiduous。
arduously 侧重需要付出巨大气力和艰难，而 assiduously 侧重持续专注的勤奋，不含“困难”含义。
勤奋地工作
She worked assiduously to meet the deadline.
她为了赶上截止日期而勤奋工作。
刻苦学习
He studied assiduously for the final exams.
他为期末考试刻苦学习。
孜孜不倦地追求
The team pursued the goal assiduously despite setbacks.
尽管遇到挫折，团队仍孜孜不倦地追求这个目标。
精心培养
They assiduously cultivated relationships with local customers.
他们精心培养与当地客户的关系。
认真处理
She assiduously attended to every detail of the event.
她认真处理活动的每一个细节。
serious + ly
continuous + ly
studious + ly
arduous + ly
industrious + ly
laborious + ly
as- (toward) + sid (sit) + -ous (full of) + -ly (adverb suffix)
as- (toward) + sid (sit) + -ous (full of)
as- (to) + sist (stand)
sed- (sit) + -entary (relating to)
re- (back) + sid (sit) + -ent (adjective/noun suffix)
研究工作常需细致与坚持，与 assiduously 表达的刻苦态度相符。
分析任务要求持续的专注和耐心，常与 assiduously 同现于学术或专业场景。
反复修订体现细心与毅力，是该语义场常见词汇。
反复练习意味着持久努力，与 assiduously 的含义相呼应。
整理记录需要缜密细致，与 assiduously 的语义相关。
Dictionary facts from ECDICT, WIKTIONARY.