nieskłonny in English:

I'm disinclined to let him do so.

Hardworking as he was, sometimes he felt disinclined to study.

The district attorney is unwilling to proceed due to insufficient evidence.

Tom is unwilling to help Mary with her homework.

He's unwilling to admit he was wrong.

He made it known to his friends that he was unwilling to run for the election.

I was unwilling to agree to the proposal, but it seemed that I had no choice.

It is not that I am unwilling, but that I have no time.

He was unwilling to go.

It's difficult to teach people what they're unwilling to learn.

Anyone who is unwilling to read does not understand the joy of reading.

She coaxed and wheedled her unwilling child into going to the dentist with her.

They are unwilling to invest any more money in the project.

His voice is calmer, indicating unwilling acceptance.

He was unwilling or unable to pay the fine

unwilling to something

I was unwilling for my wife to accept the invitation.