to completely remove unwanted things from a place
полностью удалить нежелательные вещи с места (polnost'yu udalit' nezhelatel'nye veshchi s mesta)
"Volunteers worked to clean out the polluted river."
"Волонтёры работали, чтобы очистить загрязнённую реку." (volontyory rabotali, chtoby ochistit' zagryaznennuyu reku)
to use one’s past knowledge or experience as a resource
to return to doing something after a break
to reduce taxes on imports or exports
to achieve a higher position or level of success
to start a journey
to stand in a queue waiting for something