The phrase "are touch and go" often means that a situation is uncertain or risky. Synonyms for this expression might include precarious, unpredictable, or unstable. Other similar phrases that convey a similar sentiment might include "on thin ice" or "hanging by a thread." These phrases all suggest that something could quickly take a turn for the worse, and that caution or care is required. When faced with situations that are touch and go, it's important to stay focused, remain alert, and be prepared for anything that might happen. With careful planning and a thoughtful approach, even the most uncertain situations can be managed successfully.