Tā zuìjìn zhēn bèiyùn, jiēlián chū le hǎojǐ jiàn shì.
He's really been out of luck lately - one mishap after another.
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memory
Picture luck (运 yùn) turning its back (背 bèi) on you - that's 背运. The opposite is 走运 (zǒuyùn) 'to be in luck'. Both are colloquial and very common in everyday spoken Chinese.