It's a handed-down belief.

这是流传下来的信仰。

youdao

The judge has handed down his verdict.

法官已经宣布了裁决结果。

《牛津词典》

These skills used to be handed down from father to son.

这些技术以往都是父子相传。

《牛津词典》

A three-judge panel in Ethiopia handed down sentences to 39 men and one woman in the so-called Ginbot Seven, or May 15 conspiracy case.

VOA: standard.2009.12.23

Anyone who only has a vague handed-down folk memory of it will probably steer clear of it.

FORBES: I'll Have An E Please, Bob

The approach of Klein and others in New York has been too heavy-handed and top-down for my taste, but in many respects the unions own a good deal of the blame.

FORBES: Watching 'Race to Nowhere' and 'The Lottery'

The South African converted confidently with a firm double-handed backhand down the line.

BBC: Henman breezes through