C7-9 Correct 沸 / fèi / Strokes Definition to boil Example As a Verb boil; bubble 1 Niú nǎi 牛奶 zhǔ fèi 煮沸 le 了 。 Copy Pinyin Sentence The milk has come to the boil. 2 Fèi yóu 沸油 Copy Pinyin Sentence boiling oil 3 Fèi tāng 沸汤 Copy Pinyin Sentence boiling soup 4 Bǎ 把 shuǐ 水 zhǔ fèi 煮沸 Copy Pinyin Sentence boil up water; bring the water to the boil