Could I have a cup of coffee please?

可以给我来杯咖啡吗？

youdao

I'll have black coffee please.

请给我一杯黑咖啡。

youdao

No sugar in my coffee please. I am on a diet.

请不要给我的咖啡放糖，我在节食。

youdao

" "I'll have a small coffee please " and a double espresso mocha skinny frothed" except the barista makes a mistake.

我要一小杯咖啡,“还要一杯双倍浓度无咖啡因少泡沫的穆哈咖啡“,除非店员弄错了。

耶鲁公开课 - 心理学导论课程节选

I'd like more coffee, please.

我想续杯咖啡，谢谢。

I'd like 课堂 - SpeakingMax英语口语达人