苦 + 的 + Noun
The adjective 苦 (kǔ) means bitter in taste. It is one of the five basic flavors in Chinese cuisine and culture, alongside 甜 (sweet), 咸 (salty), 酸 (sour), and 辣 (spicy). It can also be used figuratively to mean hardship or suffering.
这杯咖啡太苦了,能加点糖吗?
Zhè bēi kāfēi tài kǔle, néng jiā diǎn táng ma?
This coffee is too bitter; can I add some sugar?
苦瓜虽然味道苦,但对身体很好。
Kǔguā suīrán wèidào kǔ, dàn duì shēntǐ hěn hǎo.
Although bitter melon tastes bitter, it's very good for your health.
这种中药有点苦,不过效果不错。
Zhè zhǒng zhōngyào yǒudiǎn kǔ, búguò xiàoguǒ búcuò.
This Chinese medicine is a bit bitter, but it works quite well.