know (something) backwards and forwards

Другие идиомы:

• know (something) by heart
• know (something) inside out
• know one's place
• know one's own mind
• know (someone or something) like the back of one's hand
• know all the tricks of the trade
• know (something) only too well
• know (someone) by sight
• know the ropes
• know which is which
• know where (someone) stands on (something)
• know better (than to do something)
• know the score
• not know if one is coming or going
• know-it-all