dine (v.)
吃饭、进餐

例句：
We dined at the finest restaurant in town last night.
我们昨晚到城里最好的餐厅去吃饭。

dog does not eat dog
同类不相残、同室不操戈

例句：
As the proverb goes:"Dog does not eat dog."They compromised with one another finally.
正如谚语所说：“同室不操戈。”他们终于互相让步了。

Let's keep in touch.
让我们保持联系。

对话：
A: I'm leaving for Canada tomorrow. 
B: So soon? Don't forget me.
A: Of course I won't. Let's keep in touch.