Don't worry about the boss's yelling; his bark is worse than his bite.
Не волнуйся из-за криков босса; его лай хуже, чем его укус.
Definitions
This phrase means that someone appears or sounds more aggressive, threatening, or harsh than they actually are in their actions. In other words, their words or attitude seem intimidating, but they are not as tough or harmful as they seem.
