be well up on



be well up on something

to have a good knowledge of a subject I'm not very well up on Ancient Greek history.
See also: on, up, well

Common Names:

NameGenderPronouncedUsage
DelroyDEL-roiEnglish (Rare)
Samira (2)-Indian, Marathi, Hindi, Telugu
Emiliee-MEE-lee-ə (German), e-MEE-lee-e (Norwegian), EM-i-lee (Swedish)German, Danish, Norwegian, Swedish
Deodato-Portuguese
Tzion-Hebrew, Biblical Hebrew
Jaasau-Biblical