To know something very well
Знать что-то вдоль и поперёк (znat shtota vdol i poperyok)
"She knows the syllabus inside out."
"Она знает учебный план вдоль и поперёк." (ona znaet uchebni plan vdol i poperyok)
to reveal one’s real character or intentions
to persuade someone to support you or agree with you
to be eager to spend money quickly
to avoid talking about the main topic
to be deeply involved in hard work or challenging situations
to change your opinion or attitude
