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
Chinweike-Western African, Igbo
UroŠ-Serbian, Slovene
KayceeKAY-seeEnglish (Modern)
DaleDAY-əl, DAYLEnglish
Iole-Greek Mythology
OrphaAWR-fə (English)Biblical, English