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- know the first thing about
know the first thing about
not know the first thing about something
to not know anything about a particular subject I don't know why you're asking Rob, he doesn't know the first thing about classical music.
Common Names:
| Name | Gender | Pronounced | Usage |
| Amity | | AM-i-tee | English (Rare) |
| Artem | | - | Ukrainian, Belarusian, Russian |
| Unathi | | - | Southern African, Xhosa |
| Rokuro | | ṙo-koo-ṙo: | Japanese |
| Katey | | KAY-tee | English |
| Roos | | RO:S | Dutch |