我是一个学画画的女子。

I am a woman learning to paint.

学画画不是件容易的事。

Eg. It is not easy to acquire a knowledge of painting.

这个主意不错！我想学画画，简单的素描就可以。

That's a good idea! I'd like to learn to draw; simple charcoal drawing would be fine.

吉米三岁就开始学画画，当他五岁的时候，已经能够画得很好。

Jimmy started painting when he was three years old, and when he was five, he was already very good at it.