to not make as much progress as others in something
не делать таких же успехов, как другие в чем-то (ne de-lat takikh zhe us-pe-khov, kak dru-gie v chom-to)
"If you skip classes, you might fall behind in your studies."
"Если ты пропустишь занятия, ты можешь отстать в учебе." (Yes-li ty pro-pus-tish zanyati-ya, ty mo-zhesh **ot-stat v** uche-be.)
to gather support for a person or cause
to use your abilities fully to achieve success
to do something faster because you started late
to reduce the size, scope, or extent of something
to disconnect a device from a power source
to return later to see if there are updates or results