all-you-can-eat：a menu option that allows you to eat as much as you want for a fixed price（可尽情享用的，可以随便吃的
，比如你去吃了自助，就说：After I ate dinner at an all-you-can-eat buffet, I’ve had a stomachache for two days! What a buzzkill! 前面这句还记得吗？
） beat the crowds：to get somewhere early before it gets crowded（字面意思是 把人群打掉，就是 错峰，避开高峰期，比如你要和父母坐晚上7点的飞机，就说：Let’s get to the airport an hour early to beat the crowds.
） chow down：to eat, often quickly and a lot of food（吃得又快又多
，比如你饿极了，就说：I chowed down four hamburgers in on time only to find that I was overfull.
） I'm in.：I’ll participate. （我来！我加入！
比如你的好朋友说：A group of us are going to see the concert next Sunday, if you're interested.你就立马说：I'm in.
） in the mood for：having,feel like having（有了想干什么的心情，就是 想干……或者想要……，比如你连续熬了一个礼拜夜工作，就和朋友抱怨
：I have pulled all-nighters for a week, and I’m desperately in mood for a good sleep! 前面句中的短语意为 熬通宵，开夜车，熬夜，很口语化的表达哦
） pig out：to eat alarge quantity of food（看见pig意思就知道的差不多了
，大吃一顿，前面是不是讲了一个相似的短语？
比如你今天晚饭没吃多少，你的老母亲询问缘由，你就说：I’m not that hungry for dinner because I pigged out on potato chips in the afternoon.
） sick of：tired of（对某事感到烦恼，厌倦了，比如邻居太吵了，你就说：I'm sick of my neighbor's loud music. 另外，还记得单独说Sick什么意思吗？
） up for：wanting to do a particular activity（乐意干，打算，想要
，可以替换willing，有时也可以说成down for，比如你和几个朋友刚吃完饭，就提议：Anybody up for a movie? 这是一句省略句，但是很常用
） walk-in only：a restaurant or service provider that does not take reservations（不接受预订的，比如你和朋友要去餐厅吃饭，你朋友说要不要预订一下，你就说：It's walk-in only, so we don’t have to.
