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surreptitiously + verb
surreptitiously 常放在动词前，表示“偷偷地、秘密地”做某事。
She surreptitiously glanced at her phone.
她偷偷地看了一眼手机。
秘密地；偷偷地
先理解核心含义，再看它在真实句子里的用法。
秘密地；偷偷地
secretly, so as not to be noticed
She surreptitiously glanced at her phone.
她偷偷地看了一眼手机。
偷偷摸摸地；秘密地；暗中地。
In a surreptitious manner; stealthily, furtively, secretly.
以偷偷摸摸的方式
in a surreptitious manner
She surreptitiously checked her phone during the meeting.
她在会议期间偷偷地看了一眼手机。
AI contextual example
He surreptitiously slipped a note into her bag.
他偷偷地把一张纸条塞进她的包里。
AI contextual example
They surreptitiously recorded the conversation without asking for permission.
他们未经许可偷偷地录下了这段对话。
AI contextual example
he was watching her surreptitiously as she waited in the hotel lobby
她在酒店大堂等候时,他偷偷地看着她
WordNet
surreptitiously 常放在动词前，表示“偷偷地、秘密地”做某事。
She surreptitiously glanced at her phone.
她偷偷地看了一眼手机。
也可放在动词（及物动词加宾语）之后，强调动作的方式。
He checked the message surreptitiously under the desk.
他在桌下偷偷地查看了那条消息。
用于过去分词前作状语，表示“秘密地、暗中地”完成某动作。
The surreptitiously recorded conversation became evidence.
这段偷录的对话成了证据。
Not this
He surreptitious looked at his phone under the desk.
Use this
He surreptitiously looked at his phone under the desk.
surreptitious 是形容词，只能修饰名词或作表语；要修饰动作 looked，必须用副词 surreptitiously。中文里“偷偷地”作状语时词形不变，但英语中形容词作状语需加 -ly。
Not this
He surreptitiously entered into the room.
Use this
He surreptitiously entered the room.
enter 本身已含“进入”之意，后面直接接地点名词（enter the room）；enter into 只用于抽象事物，如 enter into a discussion。受中文“进入”中“入”的影响误加 into，造成介词冗余，应删去。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
秘密录制
She surreptitiously recorded the meeting on her phone.
她偷偷地用手机录下了会议。
偷偷瞥一眼
He surreptitiously glanced at the answer key.
他偷偷瞥了一眼答案。
偷偷移除
The spy surreptitiously removed the file from the cabinet.
间谍偷偷从柜子里拿走了文件。
悄悄进入
They surreptitiously entered the building through the back door.
他们从后门悄悄进入了大楼。
私自复制
He surreptitiously copied the confidential data.
他私自复制了机密数据。
窃听
The journalist surreptitiously listened to their conversation.
记者偷偷听了他们的谈话。
Use surreptitiously naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：surreptitiously 像‘sir + reptile-ish-ly’，想象一位先生像爬虫一样悄悄溜走，不被人发现，所以是“偷偷地”。
语域：formal 常见场景：正式书面语、文学作品或新闻报道 surreptitiously 比较正式，多用于书面语或需要严肃语气的场合；日常口语中更常说 secretly 或 sneakily。
These words all rhyme with surreptitiously: they have stress on /ɪ/ followed by /ʃəsli/. The sound may be spelled -tiously or -ciously. Beware lookalikes like contentiously /kənˈtɛnʃəsli/ and preciously /ˈprɛʃəsli/, where the stressed vowel is /ɛ/, not /ɪ/, so they do not rhyme.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.