6 sentences for 苦 (kǔ — bitter)

1. 五味包括酸、苦、甘、辛、咸。

   wǔ​wèi bāo​kuò suān, kǔ, gān, xīn, xián.

   The five flavors include sour, bitter, sweet, pungent, and salty.

   Source: Dong Chinese Dictionary

2. 这杯苦药实在太难咽了。

   zhè bēi kǔ yào shí​zài tài nán yàn le.

   This cup of bitter medicine is really hard to swallow.

   Source: Dong Chinese Dictionary

3. 这种药味道很苦。

   zhè zhǒng yào wèi​dao hěn kǔ.

   This medicine tastes very bitter.

   Source: Dong Chinese Dictionary

4. 中药方子里经常会用到苦杏仁。

   zhōng​yào fāng​zi lǐ jīng​cháng huì yòng​dào kǔ xìng​rén.

   Bitter apricot kernels are often used in traditional Chinese medicine prescriptions.

   Source: Dong Chinese Dictionary

5. 苦瓜虽然味道很苦，但对身体很有好处。

   kǔ​guā suī​rán wèi​dao hěn kǔ, dàn duì shēn​tǐ hěn yǒu hǎo​chu.

   Although bitter melon tastes very bitter, it is very good for the health.

   Source: Dong Chinese Dictionary

6. 橘子的白内皮虽然味道微苦，但对身体有益。

   jú​zi de bái nèi​pí suī​rán wèi​dao wēi kǔ, dàn duì shēn​tǐ yǒu​yì.

   The white pith of an orange is slightly bitter but good for the body.

   Source: Dong Chinese Dictionary