know (one's) beans



know (one's) beans

To be knowledgable about and/or very familiar with something. I had no idea you were such a good piano player—you really know your beans!
See also: bean, know

Common Names:

NameGenderPronouncedUsage
AxelAHK-sel (German)Danish, Swedish, Norwegian, German
Nikola (2)NEE-ko-lah (German)German, Polish, Czech, Slovak
SalomÉsə-loo-ME (Portuguese)French, Spanish, Portuguese
Mariano-Italian, Spanish, Portuguese
Yegorye-GORRussian
Imogene['imə.dʒi:n]