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be + asleep
asleep 是表语形容词，不能放在名词前。
The baby is asleep.
婴儿睡着了。
睡着的；熟睡的
先理解核心含义，再看它在真实句子里的用法。
睡着的；熟睡的
In a state of sleep; sleeping.
The baby is asleep.
婴儿睡着了。
通常作表语，不直接放在名词前
处于睡眠状态；广义上,休息。
In a state of sleep; also, broadly, resting.
处于睡眠状态
in a state of sleep
有麻木或刺痛感并伴有一定程度的无反应。
Having a numb or prickling sensation accompanied by a degree of unresponsiveness.
缺乏感觉
lacking sensation
The baby is fast asleep in her crib.
婴儿在她的婴儿床里睡得很熟。
AI contextual example
I fell asleep while watching the movie.
我看电影时睡着了。
AI contextual example
He was so tired that he was asleep within minutes.
他太累了，几分钟内就睡着了。
AI contextual example
were all asleep when the phone rang
电话响的时候我们都睡着了
WordNet
asleep 是表语形容词，不能放在名词前。
The baby is asleep.
婴儿睡着了。
表示入睡的动作。
I fell asleep during the movie.
我在看电影时睡着了。
常见副词有 fast, sound, deeply 等。
He was fast asleep on the sofa.
他在沙发上睡得很沉。
Not this
I am sleep.
Use this
I am asleep.
asleep是形容词，表示“睡着的”，而sleep是动词或名词，不能用在be动词后作表语。
Not this
He asleep.
Use this
He is asleep.
asleep是形容词，不能单独作谓语，必须与be动词连用构成系表结构。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
熟睡的
The baby was fast asleep in her crib.
婴儿在婴儿床里熟睡。
酣睡的
He was sound asleep when I left for work.
我去上班时他还在酣睡。
入睡
I usually fall asleep within minutes of lying down.
我通常躺下几分钟就入睡了。
半睡半醒的
She answered the phone half asleep.
她半睡半醒地接了电话。
躺着睡着了
The cat lay asleep on the sofa.
猫躺在沙发上睡着了。
仍然睡着
Despite the noise, he remained asleep.
尽管有噪音，他仍然睡着。
入睡
I fell asleep during the movie.
我看电影时睡着了。
熟睡
The baby was fast asleep in her crib.
婴儿在她的婴儿床里熟睡。
玩忽职守
The manager was asleep at the wheel and missed the deadline.
经理玩忽职守，错过了截止日期。
睡鼠又睡着了！
Alice noticed that the Dormouse was already asleep.
爱丽丝注意到睡鼠已经睡着了。
我累了，疲倦了，但我没有睡着。
Despite feeling exhausted, she was still not asleep.
尽管感到精疲力竭，她仍然没有睡着。
发长 /iː/ 音 (如 see, free)
Use asleep naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
想象字母a像一个张嘴打哈欠的人，sleep是睡眠，合起来就是“睡着的”。
通常用于描述睡眠状态，多用于日常口语和书面语中，无明显语域限制。
通常用作表语，不用于名词前
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.