The phrase "wert touch go" is used to describe a situation that is uncertain and could go either way. There are several synonyms that can be used to convey the same meaning, such as precarious, dicey, iffy, and risky. Each of these words implies a level of uncertainty or unpredictability. Another synonym is "on the edge," which suggests that something is hanging in the balance and could tip one way or the other at any moment. Lastly, "on thin ice" can also be used, which paints the picture of someone or something teetering on the brink of disaster. All of these synonyms effectively capture the idea of a situation that is uncertain and could have unpredictable outcomes.