grudgingly

to consent to do something unwillingly

to accept a situation or proposal unwillingly

to confess to something reluctantly

to admit the existence or truth of something unwillingly

to admit that something is true or valid after first denying it, done reluctantly

tolerar a regañadientes

to endure or put up with something or someone unwillingly

tolerar algo de mala gana o con resentimiento

complacer a regañadientes

to do someone a service or favor unwillingly

Ayudar o hacer un favor de mala gana o sin desearlo.

entregar a regañadientes

to give something to someone reluctantly

dar algo a alguien de mala gana