be in luck
US /bi ɪn lʌk/
UK /bi ɪn lʌk/

1.
走運, 有好運
to be in a fortunate situation or to have good fortune
:
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You are in luck, the last ticket for the concert just became available!
你真走運,演唱會的最後一張票剛剛放出來了!
•
If you're looking for a good deal, you might be in luck at the new store.
如果你想找便宜貨,在新店裡你可能會走運。