Adjective + 的 + 夜晚
夜晚 (yèwǎn) is a noun meaning "night" or "evening," referring to the period of darkness after sunset. It is slightly more literary than 晚上 (wǎnshang), which is the more colloquial equivalent used in everyday speech.
夜晚的城市灯火通明,非常漂亮。
yèwǎn de chéngshì dēnghuǒ tōngmíng, fēicháng piàoliang.
The city is brightly lit at night and very beautiful.
她喜欢在夜晚散步,觉得很安静。
tā xǐhuān zài yèwǎn sànbù, juéde hěn ānjìng.
She likes to take walks at night and finds it very peaceful.
夏天的夜晚,大家坐在外面聊天乘凉。
xiàtiān de yèwǎn, dàjiā zuò zài wàimiàn liáotiān chéngliáng.
On summer nights, everyone sits outside chatting and enjoying the cool air.