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have a toothache
I have a terrible toothache.
我牙痛得厉害。
牙痛；牙疼
先理解核心含义，再看它在真实句子里的用法。
牙痛；牙疼
a pain or ache in a tooth
I have a terrible toothache.
我牙痛得厉害。
牙痛。
A pain or ache in a tooth.
局部在牙齿或牙齿周围的疼痛
an ache localized in or around a tooth
I had a bad toothache last night and could not sleep.
我昨晚牙疼得厉害，睡不着。
She went to the dentist because her toothache would not go away.
她因为牙痛一直不好而去看牙医。
Eating ice cream always makes my toothache worse.
吃冰淇淋总是让我的牙痛更严重。
I have a terrible toothache.
我牙痛得厉害。
She has been suffering from a toothache for days.
她牙痛好几天了。
My toothache is getting worse.
我的牙痛越来越严重了。
Not this
I have toothache.
Use this
I have a toothache.
中文没有冠词，英语中可数名词单数前需要不定冠词'a'，因此'toothache'前要加'a'。
Not this
I am having a toothache.
Use this
I have a toothache.
toothache表示状态，不是正在进行的动作，英语中用一般现在时表示状态，而不用现在进行时。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
牙痛；患牙痛
I have a terrible toothache and can't sleep.
我牙痛得厉害，睡不着觉。
开始牙痛；出现牙痛
She got a toothache after eating too much candy.
她吃了太多糖果后开始牙痛。
遭受牙痛
He suffered from a toothache all night.
他整晚都牙痛得难受。
剧烈的牙痛
A severe toothache forced him to see the dentist.
剧烈的牙痛迫使他去看牙医。
牙痛药
She took toothache medicine to relieve the pain.
她吃了牙痛药来缓解疼痛。
从来还没有哪个哲学家能耐心忍受牙痛。
If that toothache does not go away, you should see a dentist.
如果那牙痛还不好，你应该去看牙医。
Use toothache naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
tooth（牙齿）+ ache（疼痛）= 牙痛。想象一颗蛀牙在持续作痛，记住'牙齿疼'就是toothache。
语域：neutral 常见场景：看牙医或向医生描述症状、日常闲聊身体不适、购买止痛药或咨询药店 toothache 是日常常用词，通常用于口语交流，也常见于医疗场景；在正式书面语中，更正式的表述可能是 dental pain。
常与不定冠词连用，如 have a toothache
Dictionary facts from DICTIONARY_API_DEV, ECDICT, WIKTIONARY.