Translation of Knall

If someone tells me to try a delicacy I won't eat it although I have never tried it. It took me twenty year to try Sushi and yes I love it. My friends tell me that I am conservative and stubborn.
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She started to walk with us and one could observe that she had lost some of the naivity many children have, due to the fact that she started to be a sales person long before she reached twelve.