here are my objective comments, please read them in the spirit of learning:
1) background - top right hand side, slightly distracting
2) pillar - slanted. its too close to being vertical, yet it is not.
3) exposure - i find it too overexposed. No details on the face, arms/hair merged with background, eyebrow 1/2 gone (unbalanced), nose/lips looks deformed, chin merged with neck. Very 2D/flat. Contrast with the details of the top she's wearing, makes it look like a clothes advertisment add rather than a portrait.
4) Eyes - her right eyewear lense is reflecting some light, obstructing her eye. Also, the top of her eyewear is cutting across her eyes, making her look very unfocused.
5) composition/pose - natural and relaxed
For me, eyes are the most impt thing in a portrait, hence pardon me for being very ngiew on that