en contra de su voluntad

against his/her will

→ en
phrase Rare #46,040
against his/her will Used when someone does something without wanting to or under pressure. The possessive changes with the person: su, mi, tu, etc.
SP: Aceptó el plan en contra de su voluntad.
EN: He agreed to the plan against his will.

Él se vio obligado a hacerlo en contra de su voluntad.

He was forced to do it against his will.

María se casó en contra de su voluntad.

Maria was married against her will.

Incluso en contra de su voluntad.

Even against their will.

Tom lo hizo en contra de su voluntad.

Tom did it against his will.