The ABC’s of something / The ABCs of something
The ABC’s of a subject is the most basic facts about it. Sometimes the apostrophe in the expression ABC’s is omitted.
- I don’t think that she will make a good teacher. She does not know the ABC’s of child psychology.
- Although I don’t understand the ABC’s of music, I enjoyed the concert.
- ‘Can you fix this computer for me? It keeps getting hung.’ ‘I’m afraid. I don’t know the ABCs of computer maintenance.’
Know one’s ABCs
To know one’s ABCs is to know the alphabet or to know the most basic facts about something.
- There is no pointing in asking Rahul. He doesn’t even know his ABCs.
- You should at least know your ABCs; otherwise, you won’t be able to complete this form.
As easy as ABC
If something is as easy as ABC, it is very easy.
- I didn’t have any problems configuring my new home theatre system. It was as easy as ABC.