In that case one must be assertive. Speaking this way does not come naturally especially to engineers. You don't have to articulate it clearly, you don't have

In that case one must be assertive. Speaking this way does not come naturally especially to engineers. You don't have to articulate it clearly, you don't have to know why you are making the estimate you are making. It's ok for management to push, in fact it is their job. I suggest this book. https://www.amazon.com/dp/B004IK8Q22 https://www.amazon.com/dp/B004IK8Q22