Japanese phrase
どこまで___よいですか？ do ko ma de ___ yo i de su ka
Meaning
How far is it okay to ___?
When to use it
Asks about the acceptable extent of an action. It is a polite way to check permission or a limit before proceeding.
Example dialogue
先生、どこまで行ってよいですか？ sen sei do ko ma de i tte yo i de su ka
How far may I go?
駅までなら大丈夫です。 eki ma de na ra dai jō bu de su
You may go as far as the station.