YOU SAID:
Why have I been doing this for like half an hour?
INTO JAPANESE
なぜ私は30分くらいこれをやっているのですか?
BACK INTO ENGLISH
Why am I doing this for about 30 minutes?
INTO JAPANESE
なぜ私は約30分間これをやっているのですか?
BACK INTO ENGLISH
Why am I doing this for about 30 minutes?
Come on, you can do better than that.