In the office, Steven and Susan are talking about some gossip.
A: It’s rumoured that Jane is fooling around with another woman's husband.
B: You gossip. What's the basis of your opinion?
A: Someone declared that he saw it.
B: I don't believe it. Jane is such a kind lady. How could she do this?
A: Who knows? You can't judge a book by its cover.
I've got some juciy gossip for you.
You're such a gossip.
My neibour is such a gossip（n）. She likes to gossip(v) about others.
I wouldn't want others to gossip about me, so I don't gossip about others.
start/spread a rumour
Rumours are flying.
You shouldn't spread rumours.
I heard a rumour that they are getting married.
Rumours are flying about the company's financial trouble.
Rumour has it that...
Rumour has it that John got a pink slip this morning.
It's (widely) rumoured that...
It's widely rumoured that she's getting promoted.
You can't fool around with dangerous chemicals.
Fred did nothing but fool around all day.
Don't fool around. Come and do your homework.
We declared our support for the proposal.
judge a book by its cover
You shouldn't judge a book by its cover.
People always judge a book by its cover.