| 释义 |
know something inside out
idiom informal
C1
to know everything about a subject: 对…了如指掌
He knows the system inside out.他对该体系了如指掌。
SMART Vocabulary: related words and phrases
Experts and specialists
a mine of informationidiom
academician
artist
authority
boffin
child prodigy
doyenne
lapidary
Latin Americanist
literati
maven
savant
semiotician
skilled
smart money
sports scientist
whizz
wonder
wonderkid
wunderkind
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