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daydream about sth
动词用法，后接 about 引出幻想的内容。
She often daydreams about living in Paris.
她经常做关于住在巴黎的白日梦。
白日梦
先理解核心含义，再看它在真实句子里的用法。
白日梦
absentminded dreaming while awake
She often daydreams about living in Paris.
她经常做关于住在巴黎的白日梦。
清醒时自发产生的一系列想法,与当前现实无关。
A spontaneous series of thoughts while awake not connected to immediate reality.
清醒时心不在焉的幻想
absentminded dreaming while awake
The student's daydream about winning a scholarship faded when the teacher called her name.
当老师叫到她的名字时，她关于获得奖学金的白日梦逐渐消失了。
He daydreams every time the meeting gets too technical.
每次会议变得太专业时，他都会做白日梦。
I was daydreaming about the weekend instead of listening to the safety instructions.
我没有听安全说明，而是在做关于周末的白日梦。
动词用法，后接 about 引出幻想的内容。
She often daydreams about living in Paris.
她经常做关于住在巴黎的白日梦。
进行时态常用来表示走神、发呆的状态。
Stop daydreaming and focus on your work!
别做白日梦了，专心工作！
名词用法，have a daydream 表示‘做一个白日梦’。
I had a daydream that I was a famous singer.
我做了个白日梦，梦见自己是著名歌手。
Not this
She daydreamed a beautiful future.
Use this
She daydreamed about a beautiful future.
daydream 作动词时是不及物动词，不能直接接宾语，要用 about 引出想象的内容。
Not this
He was lost in daydream.
Use this
He was lost in a daydream.
daydream 作名词时是可数名词，表示具体某一次走神时要说 a daydream。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
沉浸在白日梦中
He was so lost in a daydream that he missed his stop.
他沉浸在白日梦中，坐过了站。
做一个白日梦
I had a daydream about swimming in the ocean.
我做了个关于在大海里游泳的白日梦。
幻想；做白日梦
She often daydreams about traveling around the world.
她经常幻想着环游世界。
发现自己走神做白日梦
I caught myself daydreaming during the exam.
我发现自己考试时走神做白日梦。
从白日梦中回过神来
A sudden noise snapped her out of her daydream.
一声突然的响动让她从白日梦中回过神来。
不自觉地陷入白日梦
He drifted into a daydream while staring out the window.
他望着窗外，不自觉地陷入了白日梦。
振作点，瞌睡的珍，哦，这对一个做白日梦的人和一位返校节女王来说意味着什么？（出自 The Monkees 的经典歌曲《Daydream Believer》）
She sat by the window, daydreaming about her future.
她坐在窗边，做白日梦，畅想自己的未来。
发长 /iː/ 音 (如 sea, tea)
Same pattern, same sound
Use daydream naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
白天（day）做的梦（dream）就是白日梦；记住 day 是白天，dream 是梦，合起来即清醒时走神。
语域：neutral 常见场景：everyday conversation、general writing、creative writing daydream 为中性常用词，既可作名词（白日梦）也可作动词（做白日梦）。它在日常对话和一般书面语中都自然，正式程度适中；作动词时多指心不在焉地幻想。具体褒贬由上下文决定，通常不带有强烈的正式或随意色彩。
All six words end with the /iːm/ sound, matching the final syllable of daydream /ˈdeɪˌdrim/. Dream, cream, stream and gleam also share the spelling pattern 'eam' with daydream. Seem and theme have the same sound but different spellings ('ee' and 'eme'). Beware lookalikes with 'ea' such as bread /brɛd/, head /hɛd/, and great /ɡreɪt/: they are not rhymes.
Dictionary facts from ECDICT, OCTANOVE, WIKTIONARY.
Watch the sound change