Good opportunities are rare and should be seized when they appear.
Хорошие возможности редки, и их нужно использовать, когда они появляются. (khoroshiye vozmozhnosti redki i ikh nuzhno ispolzovat kogda oni poyavlyayutsya)
"Don't miss the chance, opportunity knocks but once."
"Не упусти шанс, возможность стучится только один раз." (ne upusti shans, vozmozhnost stuchitsya tolko odin raz)
when the situation becomes very difficult or challenging
to reveal something secret unintentionally
to hide the most important part of the story
something that is expected to happen soon
to dismiss something as unimportant
to support or defend someone
