唉 HSK 5 ài alas; sigh Examples 唉,真可惜 ài, zhēn kěxī Alas, what a pity 唉,没办法 ài, méi bànfǎ Alas, there's nothing we can do 唉,又下雨了 ài, yòu xiàyǔ le Ah, it's raining again