她背过脸，不去看面前可怕的场面。

She averted her eyes from the terrible scene in front of her.

《牛津词典》

她从他那边背过脸去，钻进她的被窝里。

She turned her face away from him, burrowing into her heap of covers.

《柯林斯英汉双解大词典》

如果你背过去了，那就扫视你的肩膀。

If your back is turned, glance over your shoulder.

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