to remain persistent and determined in difficult circumstances
оставаться настойчивым и решительным в трудных обстоятельствах (ostavat'sya nastoychivym i reshitel'nym v trudnykh obstoyatel'stvakh)
"I know you're tired, but hang in there because you're almost finished."
"Я знаю, что ты устал, но держись, потому что ты почти закончил." (Ya znayu, chto ty ustal, no **derzhis'**, potomu chto ty pochti zakonchil.)
Working, often with a strict time limit or deadline.
to make something easier to understand or to tidy a place
to start something quickly and energetically
time passes very quickly
it is a waste not to use your mental abilities
to stop worrying about something; to forgive or forget
