1 可数名词 “stick” 的意思是 “枝条，棍子，条状、棍状物”。

Did you see my walking stick?

Hold the stick tightly when you eat your lollipop. Don't drop it.

2 动词 “stick” 可以表示 “固定住，粘住”。

You need some glue to stick that on.

Get some tape to stick them together.

3 在抽象层面，动词 “stick” 可以表示 “（想法、信息）留下深刻印象，牢牢记住”。

I'm going to keep studying this until it sticks.

Catchy songs always stick in my mind.

4 动词 “stick” 还可以表示 “保持不变，继续做”。

We've made a decision and we're going to stick with it.

It's hard but I'm going to stick with this diet.

5 在口语中，可以 用动词 “stick” 表示 “随意放置”。

Look, it's in the way. Can you stick it somewhere else?

Don't let him see the present yet, it's a surprise. Quickly stick it under the desk.