Результаты, которые помогут понять parental secrets
Результаты из Коллективного Словаря Reverso
thick as thievesid.
expression to qualify two or more people who are very close, get along well and share secrets to each other; combined with the fact that, in the old days, 'thick' used to also mean 'close together', who else better understands a thief but another thief, right?
anecdoten.
secret or previously unknown details of a history or a biography