strike it lucky
From Longman Dictionary of Contemporary Englishstrike it luckystrike it luckyBritish English to be very lucky, especially when you were not expecting to We struck it lucky in Bangkok, where we were told there were some extra seats on the plane that night. → strikeExamples from the Corpusstrike it lucky• But whereas Errol struck it lucky, spare a thought for Instonian Neil Cooke.