be in luck

Phrase

idiomatic informal

(idiomatic, informal) To be lucky in getting something that one wants.

Japanese Meaning

望むものを手に入れる際に運が良い状態にあること

If you get to the shop before closing, you might be in luck and find the last copy of the book.

閉店前に店に着ければ、運が良くてその本の最後の一冊を見つけられるかもしれません。

Sense（1）

(idiomatic, informal) To be lucky in getting something that one wants.

You're in luck: this is the last one.