to seek justice personally rather than through legal authorities
взять закон в свои руки (vzyat zakon v svoi ruki)
"The villagers decided to take the law into their own hands and punished the thief."
"Жители деревни решили взять закон в свои руки и наказали вора." (zhiteli derevni reshili vzyat zakon v svoi ruki i nakazali vora)
to narrowly defeat someone or something
Involved or informed about a situation
Information directly from the original or most reliable sour...
to do something uncertain, trusting that it will succeed
to be honest and direct
to become very angry