over a cup of tea 是固定搭配,有多重意思：
它是指饮茶的时间.常用来指短暂的、随意、非正式的时间.
例句：
We well aware that anything can be achieved over a cup of tea.
This
"The CEOs should be able to sit down over a cup of tea or a bottle of wine and discuss where it would make sense to co-operate,and how they could make money for shareholders.There would be no lawyers and no investment bankers present."