"Flustrate" Natural Recordings by Native Speakers
I think you meant to type "frustrate".
Frustrate means to cause someone to feel annoyed or upset because they are unable to do something they want to do, or because their plans do not work out. It can also mean to make someone feel hopeless or powerless. For example: "The car broke down and it frustrated me because I was already running late."
Flushed means extremely embarrassed, ashamed, or humiliated. For example, "She was flushed with embarrassment after tripping in front of her classmates." It can also mean having a bright red color due to being embarrassed, angry, or exercising too much. For example, "The runner's flushed face showed just how hard she had worked in the intense heat." Alternatively, it can also mean to expel waste or particles, as in "Flush the toilet to get rid of the clog."
Flustered refers to a state of being confused, disorganized, or flustered, often due to being in a hurry, anxious, or overwhelmed. It can also describe someone who is nervously fussy or agitated about a particular situation or task.