come out of the woodwork
US /kʌm aʊt əv ðə ˈwʊdˌwɜrk/
UK /kʌm aʊt əv ðə ˈwʊdˌwɜrk/

1.
surgir do nada, aparecer de repente
to appear unexpectedly, especially in large numbers, after having been hidden or inactive
:
•
After the scandal broke, many critics came out of the woodwork.
Depois que o escândalo estourou, muitos críticos surgiram do nada.
•
Every time there's a problem, all the experts come out of the woodwork.
Toda vez que há um problema, todos os especialistas surgem do nada.