to learn something through experience, especially through making mistakes
etwas durch Erfahrung lernen, besonders durch das Machen von Fehlern
"He learned the hard way that honesty is the best policy."
"Er lernte es auf die harte Tour, dass Ehrlichkeit die beste Politik ist."
to inhale air deeply
to be upset about something that cannot be changed
The most valuable things take time and effort to achieve.
at the very last moment
something new and refreshing
to make a great effort to help or please someone