英和和英

to be able to do

if possible―if one can―（打消に伴えば）―if one can help it

He seems to be something of a scholar.

Can I do it? Oh yes, I can.

being likely to do something

If you were me, I could do it.

A tumour forms ［appears, makes its appearance］ on some part of the body.

He is very much of a scholar―a great deal of a scholar.

I didn't think you had it in you.

Can be

I don't know if I can do it.

That is not to be done―impossible.

You can do this.

There's also the possibility

It has potential

I think I can manage it somehow

to be able to do something well

You can do it that way.

I think that I can do it.

He is something of a scholar―a bit of a scholar.

I can do that.

If you think you can do something, you can do it.

I can't do that.

to finish―get through with―anything

He is good for anything―equal to anything.

I will do so, if possible.

I think I can.

Where there's a will, there's a way.

You can, for sure.

I can do it.