1·Black coffee leaves a bitter taste in the mouth.
清咖啡在嘴里留下苦味。
—— 《牛津词典》
2·Drink it and I'll give you a lump of sugar to take the bitter taste from your mouth.
你把它喝了，我就给你一块糖，让你把嘴里的苦味去掉。
3·It is essentially media-led (it fills and sells papers) and it always leaves a bitter taste, because for every stranger you think you mourn, there is a friend you forget to remember.
它本质上是由媒体引导（媒体编写、销售文章），且一直留下一丝苦味，因为对每个局外人来说，哀悼是因为有个朋友忘了铭记。
4·They identified 56 substances that contribute to beer's bitter taste, including five that appear to be largely responsible for its harsh flavour after ageing.
他们鉴定出56种物质造成啤酒的苦味，包括5种主要导致啤酒放久后的难闻味道的物质。
5·It can also be brewed with hot water and made into tea. It is reddish in colour and has a bitter taste.
它也可以用热水泡制成茶，颜色偏红，并有一定的苦味。