I went to Chicago last week for business.
I found the card hooked on my doornob like the following.
It’s really coming down in here.
Better wait ’til it clears up.
I thought that native English speakers say that so searched the web, and found a American person’s blog who stayed in the same hotel and felt the card is a little bit uneasy to understand.
Next day, I guessed that they were using the same cards as used for conference rooms at level 1.
Words have much meaning to study.