"Gat down on one knee" is commonly used to describe the position of proposing marriage or prayer. However, there are alternative ways to describe this act. One could say, "kneel down" or "take a knee." These phrases have similar connotations to "gat down on one knee," but may sound more concise and modern. Similarly, "bend the knee" may invoke the image of a medieval knight pledging fealty. Other options include "go down on one knee" and "drop to one knee." Ultimately, the choice of words may depend on personal preference or the context in which the phrase is used.