an unpredictable person who may cause problems
непредсказуемый человек, который может вызвать проблемы (nepredskazuemyy chelovek, kotoryy mozhet vyzvat' problemy)
"He’s a loose cannon who often says things without thinking."
"Он свободная пушка, который часто говорит вещи, не подумав." (On **svobodnaya pushka**, kotoryy chasto govorit veshchi, ne podumav)
to spend a lot of money in a short period of time
a significant or groundbreaking achievement
to disrupt or complicate something
to stop working for the day
to connect to a call or meeting
to stop thinking about work or problems
