the idiom of really upset is "pissed off"
it means she was really upset.
It means she got really upset or angry, and lost her temper.
It's A SHOULDER TO CRY ON. It's not really an idiom -- the person is offering to let the other person cry on them, as in offer them sympathy.
not easily be angry or upset
Sorry is a passive statement and refers to events that have past and so can not really do anything. It is a retort by someone who is upset to throw the statement back in the face of the apologiser.
To upset things in a spectacular way.
It's not really an idiom. It means "what are you thinking about."
Does it make sense if you translate it literally? If it does, it's not an idiom. Have you ever seen anyone actually hit a ceiling? No, so this must be an idiom.
In a difficult situation that causes people to be worried and upset over something or someone
Nobody really knows who first said this idiom.
I am not aware of this idiom. Supposedly, it is something that occasionally shows up in a fortune cookie. There is no known idiomatic meaning; it's just something humorous to put into a cookie.
"That really burns me up."