是吗
[shì ma]
It translates simply into 'Is that so?' or 'Really?' which reflects doubt about the truthfulness or accuracy of the other party's statement. In a conversation context, especially during friendly arguments or negotiations on social media platforms, this username serves either as irony, disbelief toward information presented earlier in dialogue, or rhetorical question seeking clarification or confirmation on topics mentioned by interlocutor before turning their own remarks further.