Is my sentence ok?

She told me, but I still don't believed her. I suspect there must be more to her word than what meets my ear.

or

She told me, but I haven't believed her. I suspect there must be more to her word than what meets my ear.

1. "don't believe", not "don't believed"
2. "more to her words"

Thank you very much.

And please go over a couple more of my sentences whether they are understandable and passable to your ear.

1. I think this kind of tool will surely more to be trouble than to be helpful for our work.

2. His help was more to be useless than being of help to me.

Thank you very much.

And please go over a couple more of my sentences whether they are understandable and passable to your ear.

1. I think this kind of tool will surely more to be trouble than to be helpful for our work.

2. His help was more to be useless than being of help to me.

Thank you very much.

And please go over a couple more of my sentences whether they are understandable and passable to your ear.

1. I think this kind of tool will surely more to be trouble than to be helpful for our work.

2. His help was more to be useless than being of help to me.

1. I think this kind of tool will surely more to be trouble than to be helpful for our work.

For our particular kind of work, this kind of tool would doubtless prove more troublesome than helpful



2. His help was more to be useless than being of help to me.

His help was of little value