唉—

less common:

interjection or grunt of agreement or recognition (e.g. yes,
it's me!)

oh dear

唉唉—

(onom.) sighing voice

crying sound

唉，我们这些重辣口味的东南亚人嘛，就是少了那个劲。 4tern.com	Aiks, for the typical strong taste Asian like me, the food lacks some kicks. 4tern.com
公主艾唉，土地佐贺”介绍你一个神秘的年轻身份搜索和拯救这个世界女子及以后的惊人之旅。 cn.moba-app.com	Princess Ai Ai-land Saga" presents [...] you the amazing journey of a mysterious young woman searching for identity and salvation in this world and beyond. moba-app.com
但是，唉，很快我们连在一起哭泣的小小安慰都得不到了。 daccess-ods.un.org	we were soon deprived of even the small comfort of weeping together. daccess-ods.un.org