Since this word consists of a kanji with hiragana attached, you can bet that it will use the kun'yomi reading. You haven't learned this reading yet, so here's a mnemonic to help you:
You want to turn away from this movie because it's not worth watching. I mean, it isn't bad, but it isn't good. It's just so-so (そ). But that's not enough to keep your interest.
She quickly averted her eyes.