to reveal something secret unintentionally
непреднамеренно раскрывать секрет (neprednameranno raskryvat' sekret)
"Don’t let on that you know about the plan."
"Не давай знать, что ты знаешь о плане." (ne davay znat', chto ty znayesh' o plane)
to treat someone fairly and with respect
to become more outgoing or confident
make the best of your current situation
to ask for forgiveness and hope for kindness
to not express your emotions or worries
to help someone