gain mastery

Lavretsky ceased to follow her movements; but he could not quickly gain mastery over himself.

You must gain mastery over these crude forebodings, or you will be seriously handicapped.

Apparently Graetz had relinquished the ambition to gain mastery of them.

But for the consideration of those who find it hard to gain mastery of fact without mastery of its stated form, I give my own way.

Occupied over that consoling work, idle thoughts cannot gain mastery over him: selfish wishes or desires are kept at bay.