on his own

He has been studying Berber on his own.

Il étudie le berbère en autodidacte.

Bob has to get through this ordeal on his own.

Bob doit traverser cette épreuve seul.

Tom spent Christmas on his own.

Tom a passé Noël seul.

Tom has to work on his own.

Tom doit travailler seul.

Tom is too old to be living on his own.

Tom est trop vieux pour vivre seul.

Tom learned to ski on his own.

Tom a appris à skier tout seul.

Poverty had taught him to stand on his own feet.

La pauvreté lui avait appris à se débrouiller seul.

Tom raised his son on his own.

Tom a élevé son fils seul.

He is acting on his own behalf.

Il agit pour son propre compte.

Now everyone will be on his own.

Désormais, chacun sera livré à lui-même.

— The Diamond Arm (1969)