to improve oneself by understanding and correcting errors
улучшать себя, понимая и исправляя ошибки (uluchshat' sebya, ponimaya i ispravlyaya oshibki)
"I always try to learn from mistakes to avoid repeating them."
"я всегда стараюсь учиться на своих ошибках, чтобы не повторять их." (ya vsegda starayus' uchit'sya na svoikh oshibkakh, chtoby ne povtoryat' ikh)
to assert your authority or make a firm decision
Teamwork requires collaboration; individualism does not work...
to keep something at a low level
To be very sure or confident about something.
Someone who is very worried or upset.
people will always have hope, no matter the situation
