What can you do?

experiment

I don't experiment too much.

When you experiment, you try new way of doing something. Notice the following:

1. He likes to experiment in the kitchen.
   
2. I usually wear the same clothes. I don't experiment much.

not --- at all

I can't sing at all.

We use "not at all" to show we have no ability at something. Notice the following:

1. I cannot cook at all.
   
2. My mom is good at dancing, but me? Not at all.

would love to be able to

I'd love to be able to play an instrument

When you would love to be able to do something, you wish you could do it. Notice the following:

1. I would love to be able to sing.
   
2. We would love to (be able to) go, but we can't.

as well

I speak French as well.

'As well' means the same as 'also' or 'too.' Notice the following:

1. I work and go to school as well.
   
2. He knows Bob, and he knows Mary as well.

some

I can speak some Czech.

Here, some means a little bit, or not much. Notice the following:

1. I know some Mandarin, but not much.
   
2. I know some people here.

rusty

My French is very rusty.

When you are rusty at something, you need practice to regain your skill. Notice the following:

1. My computers skills are rusty these days.
   
2. I speak Chinese but it is rusty.