your luck is in
US /jʊər lʌk ɪz ɪn/
UK /jʊər lʌk ɪz ɪn/

成语
1.
你运气真好, 你走运了
used to say that someone is having good luck
示例:
•
You found a twenty-dollar bill on the street? Your luck is in!
你在街上捡到一张二十美元的钞票?你运气真好!
•
If you get the last piece of cake, then your luck is in.
如果你拿到最后一块蛋糕,那你运气真好。
在 Lingoland 学习这个单词