Translate the following sentence into English.我十一岁就暗暗打定主意长大后要成为一

Translate the following sentence into English.

我十一岁就暗暗打定主意长大后要成为一位作家。

AT ELEVEN I DECIDED SECRETLY THAT I'D LIKE TO BE A WRITER WHEN I GREW UP.

考点：句子主干为“我打定主意”，“成为作家”可使用that引导的宾语从句。暗暗打定主意decide secretly；长大grow up。