swear by (someone's) name

Übersetzungen
клясться именем (кого-то)
He swears by his mother's name that he will succeed.
Он клянётся именем своей матери, что он добьётся успеха.
Definitionen
To use someone's name as a guarantee of truthfulness or sincerity, often invoking their reputation or authority to support a statement or promise. It can also mean to make a solemn promise or oath, calling upon that person as a witness.