maybe something that she heard, or suspects. It could even be something as random as her being reminded of an ex-boyfriend by something you said.

有些时候女孩子正对你所做、所说的的或者是听到的一些有关你的流言感到不安，也有可能你无意中提到的什么让她想起了前男友。

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Because probably this girlfriend had to really talk her boyfriend into going or something like that

因为可能女朋友得说服她男朋友去溜冰或其他类似的事情，

去溜冰场 - SpeakingMax英语口语达人