What is another word for kept one eye on?
Pronunciation: [kˈɛpt wˈɒn ˈa͡ɪ ˈɒn] (IPA) 
There are several synonyms for the phrase "kept one eye on" which means to monitor or observe something closely. One could say "kept tabs on," "kept watch over," "kept a close eye on," "kept an eye out for," or "monitored closely." These phrases imply a sense of vigilance or caution, suggesting that the object being watched is important or potentially risky. Other related phrases include "kept in check," "kept under surveillance," or "kept under control." No matter which phrase is used, the underlying meaning remains the same - to maintain a level of awareness or attention towards the object in question.
