"Turn up the pressure" is a common phrase used to indicate the need for more effort or increased intensity. However, there are a variety of synonyms that can be used to communicate the same message. Some alternatives include: increase the heat, step up the pace, raise the stakes, intensify the effort, crank up the intensity, ramp up the pressure, apply more force, and push to the limit. These substitutions allow for a more varied and dynamic communication style, while still conveying the necessary message to spur on increased effort and productivity. It's important to have a range of vocabulary at your disposal to keep communication fresh and engaging.