z wyprzedzeniem przed czasem 英語で:

Let me thank you ahead of time.

It won't be a surprise if you tell me about it ahead of time.

f we get to the theater ahead of time, we'll have our pick of good seats. My term paper isn't due until next week, but I finished it ahead of time. Sue's grandmother was ahead of her time in wanting to study medicine.

I just feel that a few months ahead of time