You could say something like, “I’m sorry to hear that happened, but I need to finish this project I’m working on. ”

For example, if they approach you saying something like, “I can’t believe you would do something like that! Are you stupid? What is wrong with you?” You could respond with something like, “No, I’m not. I wasn’t trained on how to do that. ”

For instance, you could say something like, “That may have been true in the past, but right now we need to choose one of these two options. ”

For instance, you could say something like, “Listen, John, if they hear you say that, you’re going to lose the contract. ”

Instead of saying, “You didn’t do the reports right,” you could say, “Look, you want to have the costs up in front so it’s easier for the client to see. ”