
Not a bit
Stress and Intonation
Emphasize 'not a bit' when speaking to make your lack of interest or surprise clear.

He was expecting me to be grateful, but I was not a bit thankful for his 'help'.
Informal Situations
Use 'not a bit' in casual or informal conversations rather than in formal writing.

You think I'm worried, but I'm not a bit concerned.
Understatement
'Not a bit' can be an understatement, hinting that something is actually significant.

Am I upset about the game results? Not a bit — I'm actually devastated.
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