to know somebody or something inside out

ইংরেজিতে "know somebody or something inside out"এর সংজ্ঞা ও অর্থ

to know somebody or something inside out
01

to have very good knowledge or understanding about someone or something

Idiom
Informal
উদাহরণ
She's worked with this software extensively and knows it inside out.
LanGeek
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