YOU SAID:
why have we not given it our all
INTO JAPANESE
なぜ全力を尽くしてこなかったのか
BACK INTO ENGLISH
why didn't you try your best
INTO JAPANESE
なぜ頑張らなかったのか
BACK INTO ENGLISH
why didn't you try
INTO JAPANESE
なぜ試してみなかったのですか
BACK INTO ENGLISH
why didn't you try
You've done this before, haven't you.