Onu son olarak reddet. - Turn him down once and for all.
Onu son olarak reddet.
Turn him down once and for all.
O son olarak girişiminden vazgeçti. - He gave up his attempt once and for all.
O son olarak girişiminden vazgeçti.
He gave up his attempt once and for all.
They replaced the door, in hopes of correcting the sticking and squeaking once and for all.