2 sentences

1. 她一提到伤心事，眼圈就红了。

   tā yī tí​dào shāng​xīn shì, yǎn​quān jiù hóng le.

   Her eyes welled up as soon as she mentioned something sad.

   Source: Dong Chinese Dictionary

2. 由于长期熬夜，他的眼下出现了黑眼圈。

   yóu​yú cháng​qī áo​yè, tā de yǎn​xià chū​xiàn le hēi yǎn​quān.

   Due to staying up late for a long time, he developed dark circles under his eyes.

   Source: Dong Chinese Dictionary