alas
adverb formal or humorous uk/əˈlæs/ us/əˈlæs/
（表示悲伤或遗憾）哎呀，唉
used to express sadness or feeling sorry about something
I love football but, alas, I have no talent as a player. 我喜欢足球。唉，可惜我没有足球运动员的天分。
"Will you be able to come tomorrow?" "Alas, no." “你明天能来吗？”“唉，不行。”
Idiom
alas and alackidiom humorous （表示悲痛）呜呼，啊呀
an expression of sadness