to do something that is considered unacceptable
делать что-то, что считается неприемлемым (delat' chto-to, chto schitaetsya nepriemlemym)
"He crossed the line when he insulted her in front of everyone."
"Он перешел черту, когда оскорбил её перед всеми." (On pereshel chertu, kogda oskorbil ee pered vsemi)
Initial capital used to start a business.
something decided by chance
to support or defend something you believe in
to feel affection or fondness for someone
to figure out something by reasoning
to gradually become more capable or skilled at something