to learn by making mistakes or through difficult experiences
учиться на ошибках или через трудные переживания (uchitsya na oshibkakh ili cherez trudnye perezhivaniya)
"He learned the hard way that honesty is the best policy."
"Он научился трудным путем, что честность — лучшая политика." (On **nauchilsya trudnym putyom**, chto chestnost' — luchshaya politika.)
to be the first to do something or lead the way
to show disapproval by leaving or not participating
to work for many hours
make the best out of a bad situation
complete honesty without hiding or changing anything
to agree to stop fighting or arguing for a while