English Idiom of the Day – Under the Weather
If you are 'under the weather' it means you are sick or unwell.
Example: 'I think I will stay home from work today, I am feeling a bit under the weather'
'You should go to the Doctor, you look under the weather'
Did you know...? This idiom originated in the British Navy. When a sailor became sick, he was kept under the deck or 'under the weather' so he could get well.