“趕廁所”可以用英文表達為“run to the bathroom”。對於小語種“英文”，可以使用以下句子來表達：
* “Please excuse me for a moment while I rush to the restroom.”
* “I'm sorry, I need to run to the restroom for a moment.”
因此，“趕廁所小語英文”可以翻譯為“Please excuse me for a moment while I rush to the restroom in English”。