I've recently learned a new for me phrasal verb from a Guardian's piece about the British Queen's remarks on some Chinese officials who visited the UK a year ago.
http: // www .theguardian .com /world/2016/may/11/queen-chinese-officials-very-rude-xi-jinping-state-visit
During a garden party at Buckingham Palace on Tuesday, a pool cameraman working on behalf of British broadcasters filmed her discussing Xi’s trip with Metropolitan police commander Lucy D’Orsi.
When D’Orsi was introduced as the officer responsible for security during the visit, the Queen was heard to remark: “Oh, bad luck.”
Later, the Queen told her guest: “They were very rude to the ambassador” – referring to Barbara Woodward, Britain’s first female ambassador to China.
D’Orsi complained to the Queen that Xi’s visit had been “quite a testing time for me” and claimed that at one point Chinese officials [u]“walked out” on both her and the British ambassador[/u], telling her “that the trip was off”.
“Extraordinary,” the Queen replied.
“It’s very rude and very undiplomatic, I thought,” the police commander concluded.[/quote]
From the Oxford online dictionary:
http: // www .oxforddictionaries .com /definition/english/walk-out?q=walk+out+on#walk-out__3
1.2Abandon someone or something towards which one has responsibilities: he walked out on his wife
More example sentences
When he walked out on the family, abandoning a wife gravely ill with cancer, he said he had found ‘a greater cause, to serve God’.
We're meant to feel sympathy for a man who walked out on his kid some 14 years earlier, who once even beat his wife after a vicious yelling match escalated.
Ghanaians are still stunned that their national coach, Mariano Barreto, walked out on the job to become the Maritimo boss - without telling them.