She stood flat-footed on the stage, unsure of what to do next.
Она стояла на плоской стопе на сцене, не зная, что делать дальше.
Definitions
To stand flat-footed means to stand with one's feet flat on the ground, often implying a lack of readiness or preparation to move or react quickly. It can also suggest a state of being caught off guard or unprepared for a situation.
