Большой русско-английский фразеологический словарь

АРИАДНИНА НИТЬ

АРИАДНИНА НИТЬ; НИТЬ АРИАДНЫ both lit
[NP; sing only; fixed WO]
=====
sth. that helps s.o. find a way out of a difficult situation or solve a difficult problem:
- Ariadne's thread.
—————
← According to Greek myth, Ariadne, a daughter of Minos of Crete, gave Theseus a ball of thread, by which he traced his way out of the labyrinth.

Синонимы:
нить ариадны, путеводная нить



Ещё