1 用 “with” 表示 “和（其他人或事物）一起，一同”。

I ate my lunch with Phil. 

I love to be with my family.

2 用 “with” 表示 “用、使用（工具）做某事”。

She cut the paper with scissors. 

I edited this photo with an app. 

3 用 “with” 说明 “（做事方式）带着…”。

She stood there with an angry face and shouted!

He walked with such elegance. 

4 用 “with” 说明 “某物含有或包含另一样事物”。

She filled the glass with water.

We would like to book a room with two beds.

5 在饭馆、咖啡厅等场所点餐时，用 “with” 表示 “加、配”，相当于 “and”。

Please may i have a pizza with chips?

Can I have a tea with milk? 

6 用 “with” 表示 “（人或物）拥有，有”。

I live in a house with a brown door.

Do you remember my friend Stacey? She's the girl with short hair.