1
be forgetful about sth
She is very forgetful about appointments.
她非常健忘，经常忘记约会。
健忘的；记性差的
先理解核心含义，再看它在真实句子里的用法。
健忘的；记性差的
Tending to forget things; having a poor memory.
She is very forgetful about appointments.
她非常健忘，经常忘记约会。
记性不好；容易忘记。
Unable to remember things well; liable to forget.
(记忆)保持力或范围不足
(of memory) deficient in retentiveness or range
在产生输出前丢弃输入的某些结构或属性。
Dropping some of the input's structure or properties before producing an output.
不留心或不专注
not mindful or attentive; - G.B.Shaw
My grandfather is getting more forgetful as he ages, often misplacing his keys.
我的祖父随着年龄增长越来越健忘，经常找不到钥匙。
AI contextual example
She is so forgetful that she sometimes leaves her phone at home.
她太健忘了，有时会把手机落在家里。
AI contextual example
Being forgetful about appointments can be frustrating for everyone involved.
对约会健忘会让所有相关的人感到沮丧。
AI contextual example
forgetful of her responsibilities
她忘记了自己的责任。
WordNet
She is very forgetful about appointments.
她非常健忘，经常忘记约会。
较正式用法。
He was forgetful of the time and missed the train.
他忘记了时间而错过了火车。
My grandfather is a forgetful old man.
我的祖父是一位健忘的老人。
Not this
I am forget.
Use this
I am forgetful.
形容词 'forgetful' 表示健忘的状态，而 'forget' 是动词，不能用在 be 动词后作表语。
Not this
He is forgetful about appointments.
Use this
He is forgetful of appointments.
形容词 'forgetful' 常与介词 'of' 搭配，表示健忘某事物，而 'about' 通常用于动词 'forget' 或名词 'forgetfulness'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
变得健忘
As people age, they may become forgetful.
随着人们年龄增长，他们可能会变得健忘。
疏忽；忘记
He was forgetful of the time and stayed too long.
他忘了时间，待得太久。
一时疏忽；健忘之际
In a forgetful moment, I left my phone on the bus.
我一疏忽，把手机落在公交车上了。
健忘的人
My grandfather is a forgetful person.
我祖父是个健忘的人。
忘记；忽略（某事）
He was forgetful of his promises.
他忘了自己的承诺。
忘记时间（因专注而忘了时间）
They were so busy talking that they were forgetful of the time.
他们聊得如此投入，以至于忘记了时间。
忘记自己的职责；玩忽职守
The manager was forgetful of his duties and neglected the project.
这位经理忘记了自己的职责，忽视了那个项目。
健忘的人有福了，因为他们连自己的过失也能克服。
This quote by Nietzsche suggests that forgetful people can move past their mistakes more easily.
尼采的这句话表明，健忘的人更容易从自己的错误中走出来。
Use forgetful naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 forgetful 拆成 forget（忘记）+ ful（充满），想象脑子里塞满了“忘记”，所以总是想不起来、记性差。
语域：neutral 常见场景：日常对话、一般写作、形容某人记性 forgetful 是较中性的常用词，多用于日常和一般书面表达，指人容易忘记事情。正式程度不高不低；若在正式或专业语境中，更侧重“记忆力差”或“遗漏”之意。
与 forgetful 真正押韵的是 regretful /rɪˈɡrɛtfəl/（从重读元音开始的部分同为 /ɛtfəl/）。forgetful 的重音在 get；useful、thoughtful、grateful、helpful、careful 虽都以 -ful 结尾，但重读元音或后续辅音不同，不押韵，不要按拼写类推发音。
Dictionary facts from ECDICT, WIKTIONARY.