to add more details or information about something
добавить больше деталей или информации о чем-то (dobavit' bol'she detalej ili informacii o chem-to)
"Could you expand on your last point a bit more?"
"Не могли бы вы расширить свою последнюю точку немного больше?" (Ne mogli by vy **rasshirit'** svoyu poslednyuyu tochku nemnogo bol'she?)
to extend or continue a policy or plan into a new period
to substitute for someone temporarily
to criticize something in detail
to join someone in an online group or conversation
to make your goals or dreams come true
to start earning a large amount of money