YOU SAID:

To be honest I don't know how long. Once I'm sure of when I am available to go to Tokyo

INTO JAPANESE

正直なところ、どれくらいか分からない。いつ東京に行けるかわからなくなったら

BACK INTO ENGLISH

Honestly, I don't know how much. If you don't know when you can go to Tokyo,

INTO JAPANESE

正直、どれくらいかわかりません。いつ東京に行けるかわからないなら

BACK INTO ENGLISH

Honestly, I don't know how much. If you don't know when you can go to Tokyo,