At work: Five sentences that make you appear arrogant and insecure. “That’s easy.

Why can’t you do that?” – especially in combination with intonation and facial expressions. "I know" or "I would have known..." – Short, arrogant or stroppy? With these sentences you can create a similar or similar impression on your colleagues. "Are you sure?" – With this sentence you question your colleague's competence in just three words. It is better to ask for background information and details about the colleague's statement.