歌迷们等了很久，开始有点不耐烦。

Gēmímen děng le hěn jiǔ, kāishǐ yǒudiǎn bú nàifán.

The fans waited for a long time and became a little impatient.

无论老师怎么解释，那学生还不明白，老师开始显得不耐烦了。

Wúlùn lǎoshī zěnme jiěshì, nà xuéshēng hái bù míngbai, lǎoshī kāishǐ xiǎnde bú nàifán le.

No matter how the teacher explained, the student still didn't understand, and the teacher began to look impatient.

客人等得有点不耐烦了。

Kèrén děng de yǒudiǎn bú nàifán le.

The customer waited impatiently.