to explain or develop ideas in more detail
объяснять или развивать идеи более подробно (ob'yasnyat' ili razvivaty idei boleye podrobno)
"The professor asked me to expand on ideas in my essay."
"Профессор попросил меня более подробно изложить идеи в моем эссе." (Professor poprosil menya boleye podrobno izlozhit' idei v moyem esse)
to ask someone formally to do something
to leave school or university before finishing the course
to mentally drift away; to stop concentrating for a while
to become ill with a cold
to produce or publish something new
to heal and grow after emotional suffering