What was the last decision you made that you regret? 

I regret regretted  not buying an apartment  a few years ago. Theses days, most of  the house price are getting higher and higher. I can't  afford to buy a house.​ 

-Tina 주저하듯이 그녀의 전화를 나에게 빌려줬다.

1. Tina borrowed her phone with hesitation. -> Tina reluctantly lent me her phone.​

​=> Another way: Your sentence is okay and this is another way of saying it.

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-Victor는 서둘러서 아침을 먹었다.

Victor ate breakfast in a hurry.-> Victor hurriedly ate breakfast.

=> Another way: Your sentence is okay and this is another way of saying it.

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-그 업무는 어려웠지만 어떻게든 우리는 그것을 끝냈다.

Though the task was hard, anyway we struggled with it. -> The task was difficult but somehow we finished it.

=> Your sentence has a correct grammatical structure, but this has the correct usage/ expression.

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