Let's grab a bite  让我们随便吃点吧！

1.We have five minutes before the show, let's grab a bite!

离演出时间还有五分钟，咱们简单吃点东西吧！

2.Hey! Let's grab a bite to eat now. All of this wedding talk has made me hungry!

嘿！ 我们现在去吃点东西吧！讨论婚事让我饿了。