1
have/get/catch the flu
这三种表达均可表示‘患流感’，其中‘catch’更口语化。
I caught the flu last week and had to stay in bed.
我上周得了流感，不得不卧床。
流感, 流行性感冒
先理解核心含义，再看它在真实句子里的用法。
流感, 流行性感冒
an acute febrile highly contagious viral disease
I caught the flu last week and had to stay in bed.
我上周得了流感，不得不卧床。
流感。
Influenza.
I thought I just had a cold, but it turned out to be the flu.
我原以为只是感冒，但结果却是流感。
She got a flu shot to protect herself during the winter season.
她打了流感疫苗来在冬季保护自己。
After a week of rest, he finally recovered from the flu.
经过一周的休息，他终于从流感中康复了。
这三种表达均可表示‘患流感’，其中‘catch’更口语化。
I caught the flu last week and had to stay in bed.
我上周得了流感，不得不卧床。
强调症状的持续或严重。
Many elderly people suffer from the flu during winter.
许多老年人在冬季饱受流感之苦。
口语常用，指突然生病。
She came down with the flu just before the exam.
她就在考试前得了流感。
Not this
I have a flu.
Use this
I have the flu.
流感作为疾病名称，通常与定冠词 'the' 连用（如 'the flu'），或不用冠词（如 'have flu'）。使用不定冠词 'a' 是错误的，因为流感是不可数名词或视为特定疾病。
Not this
I flu.
Use this
I have the flu.
中文中'感冒'可作为动词使用，但英语中'flu'仅是名词，不能作谓语。需使用'have/get/catch'等动词搭配。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
患流感
I have the flu and need to rest.
我得了流感，需要休息。
染上流感
She caught the flu from her classmate.
她从同学那里染上了流感。
流感疫苗注射
Did you get your flu shot this year?
你今年打流感疫苗了吗？
流感季节
Flu season usually starts in the fall.
流感季节通常在秋季开始。
流感症状
Common flu symptoms include fever and cough.
常见的流感症状包括发烧和咳嗽。
患上流感
He came down with the flu last week.
他上周患上了流感。
染上流感
I think I'm coming down with the flu.
我觉得我染上流感了。
得流感
He caught the flu during his trip.
他在旅行期间得了流感。
因流感病倒
Half the office is down with the flu.
办公室一半的人都因流感病倒了。
Use flu naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想 flu 与 flow 拼写相似，流感病毒如气流般传播。
中性；常用于医学和日常对话
不可数名词，常与the连用表示特定流感
Dictionary facts from ECDICT, WIKTIONARY.