外出就餐：dine out; eat out; go out dining/eating; go out for a meal
She does not enjoy parties or dining out. 她不喜欢参加派对，也不喜欢出去吃饭
I don't like to cook so I dine out every day. 我不喜欢做菜，所以我每天都在外用餐。
We had to eat out all the time. It ended up costing a fortune.我们不得不总在外面吃饭，结果花了很多钱。
Let's go out for a meal. 咱们出去吃饭吧。
We often go out eating together. 我们经常一起出去吃饭。