What Does "must be a stomach flu" Mean?
Learn what "must be a stomach flu" means, when people say it, and how to use it naturally in English.
Must be a stomach flu.
It means the speaker thinks the person is probably sick with a stomach virus or similar illness.
From Destined To Be, Episode 19
When do people say this?
Scene Context
Someone guesses that an illness is probably a stomach flu.
Usage Scenario
Use this when making a quick guess about a mild illness. It is common in everyday health talk, but not a medical diagnosis.
Better ways to say it
Must be a stomach flu.
It must be a stomach flu.
Maybe it's a stomach flu.
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