noun
unitat de capacitat equivalent a 8 galons que s'utilitza per mesurar grans i productes secs

[expr] to hide your light under a bushel
from the OALD: (BrE) to not let people know that you are good at sth
I don't know of a good Catalan equivalent (and I'm not hiding my light under a bushel here, I just can't think of anything appropriate!)