I'll take just a cup for luck.

为讨个吉利我就喝一杯。

《新英汉大辞典》

Might no rose, just a cup of tea.

不要火红的玫瑰，只要一杯清茶。

youdao

However, since tea has become a current nation-wide custom in China, the procedure is much simplified. Or else who can afford half a day for just a cup of tea?

但是因为茶已经成为当前全国范围的风俗，过程就简化了许多，要不，谁能花得起半天时间来喝一杯茶呢？

youdao

It is not normal to have just a smooth, easy ride through a World Cup qualifying.

VOA: standard.2009.06.07

Let's just say it's the Kellogg's Frosted Flakes and three quarters of a cup is about how much you had, and so these serving sizes are listed here.

假设这里就是家乐氏香甜玉米片,你大概吃了四分之三杯,这里同时列出了每份的量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

or there's having tea, just you know, get up in the morning, a cup of tea.

或者，早晨起床后，喝一杯茶。

来一杯红茶怎么样？ - SpeakingMax英语口语达人

Of course, finding the rhythm in Vienna can also mean a quiet stroll through the Baroque streets at night, a meander along the banks of the Danube or just stirring a cup of coffee in a cafe.

BBC: Finding your rhythm in Vienna

Thanks to this new breed of coffee bars, those looking for a serious coffee education, or just a great cup, have more choice than ever before.

BBC: A speciality coffee scene brews in Hong Kong

One Cofetel official said she felt like Mexico had just won a World Cup soccer game.

WSJ: Rare Headwinds in Mexico Buffet Slim