I'm not like thatUsed by a female speaker to say she is different from what was just described or expected. Before an adjective with как, it means “I'm not as ... as”: я не такая высокая, как ты — “I'm not as tall as you.”
RU: Все думают, что я очень общительная, но я не такая.
EN: Everyone thinks I'm very outgoing, but I'm not like that.