YOU SAID:
Hello, how have you been doing?
INTO JAPANESE
こんにちは、方法をやっていたのですか。
BACK INTO ENGLISH
Hi, how did?
INTO JAPANESE
こんにちは、どのようにしたか。
BACK INTO ENGLISH
Hi, how do you?
INTO JAPANESE
よろしく
BACK INTO ENGLISH
Pleasure's mine
INTO JAPANESE
よろしく
BACK INTO ENGLISH
Pleasure's mine
That didn't even make that much sense in English.