know ABCs



know one's ABCs

Fig. to know the alphabet; to know the most basic things (about something). Bill can't do it. He doesn't even know his ABCs. You can't expect to write a letter when you don't even know your ABCs.
See also: ABC, know

Common Names:

NameGenderPronouncedUsage
Balboa[bæl'bəuə]
Tierra-Various
Aldert-Dutch
Iker-Basque
Osman-Turkish
Charline-French