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
flus — plural of flu
流感。；流感；流行性感冒
an acute febrile highly contagious viral disease
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。
用法提示：n. 流感，与感冒对比，强调严重性。
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。
用法提示：n. 流感，作为修饰语用于“flu shot”。
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。
用法提示：n. 流感，作为介词“from”的宾语。
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。
比flu更正式，多用于医学或书面语境
已较少使用，多见于历史或医学文献
grammar · medium
易错句子I have a flu.
正确表达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。
grammar · medium
易错句子I flu.
正确表达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。
flu指流感，反义词为健康状态
流感一般更严重，常伴有高烧和全身疼痛；感冒症状较轻。
flu是名词指疾病，flew是动词fly的过去式，发音相同但词性和含义完全不同。
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。
Dictionary facts from ECDICT, WIKTIONARY.