吃 + 晚餐
The noun 晚餐 (wǎncān) means "dinner" or "supper" and refers to the evening meal. It is a slightly more formal synonym of 晚饭. For example, 一起吃晚餐 means "to eat dinner together."
今晚我请你吃晚餐怎么样?
jīnwǎn wǒ qǐng nǐ chī wǎncān zěnmeyàng?
How about I treat you to dinner tonight?
我们全家人每天都一起吃晚餐。
wǒmen quánjiā rén měitiān dōu yìqǐ chī wǎncān.
Our whole family eats dinner together every day.
晚餐后我们去散步吧。
wǎncān hòu wǒmen qù sànbù ba.
Let's go for a walk after dinner.