The unexpected question flustered the speaker. The unexpected question flustered the speaker. The unexpected question flustered the speaker. Fuss: Unnecessary excitement or worry about something.
And she finally sat him down and said, when you have these big, intense emotional expressions, it affects my performance and it hurts my ability to do my job because it really flusters me.
The crux of the argument was about time management. The crux of the argument was about time management. The crux of the argument was about time management. Fluster: To make someone agitated or confused.