From Longman Dictionary of Contemporary Englishtake some doingtake some doinginformalWORK HARD to be hard work We had to be on the parade ground for 5.30 a.m. and that took some doing. → doing
Examples from the Corpus
take some doing• Winning 3 gold medals in the Olympic Games takes some doing.• It took some doing, but I finally persuaded Jim to give me a few more days off.• It takes some doing for a couple to counter the opposition of either family.• It took some doing, but I was out the next day.• So I have to prise off the foe unassisted, which, believe me, takes some doing.• Whew, that took some doing, I can tell you.• This took some doing, as they seemed prepared to stay all night.• Getting this old car to run is going to take some doing.• Catching up four goals will take some doing.• This Series can be saved, but it will take some doing. 