塞翁失馬焉知非福〔---马----〕 coi³ jung¹ sat¹ maa⁵ jin¹ zi¹ fei¹ fuk¹ {sài wēng shī mǎ yān zhī fēi fú}

1. the old man lost his mare, but it all turned out for the best (idiom); fig. a blessing in disguise
2. it's an ill wind that blows nobody any good