YOU SAID:

unless were having a conversation in lowercase

INTO JAPANESE

会話が小文字である場合を除き

BACK INTO ENGLISH

Unless the conversation is in lowercase letters

INTO JAPANESE

会話が小文字でない限り

BACK INTO ENGLISH

Unless the conversation is in lower case

INTO JAPANESE

会話が小文字でない限り

BACK INTO ENGLISH

Unless the conversation is in lower case