Russe ⇄ Anglais +

формально добровольно contraintes
génér.	voluntary but compulsory (Ivan Pisarev); semi-voluntary (Ivan Pisarev); half-forced (Ivan Pisarev); under duress (Ivan Pisarev); with elements of coercion (Ivan Pisarev); against one's will (Ivan Pisarev); under pressure (Ivan Pisarev); on conscious consent (Ivan Pisarev); with mandatory participation (Ivan Pisarev); conditionally voluntary (Ivan Pisarev); compelled participation, forced compliance, voluntary under pressure (Ivan Pisarev); partially voluntary (Ivan Pisarev); under external pressure (Ivan Pisarev); conditionally compulsory (Ivan Pisarev); formally voluntary (Ivan Pisarev); under compulsion (Ivan Pisarev); with illusion of choice (Ivan Pisarev); reluctantly voluntary (Ivan Pisarev)